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1 Chapter 15 Group 15 Elements Occurrence and extraction Physical Properties Metals Halides, oxides, hydroxides, salts of oxoacids Phosphoacids Sulfides and selenides

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Page 1: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

1

Chapter 15

Group 15 ElementsOccurrence and extraction

Physical Properties

Metals

Halides oxides hydroxides salts of oxoacids

Phosphoacids

Sulfides and selenides

2

httpwwwcpscgovPageFiles122137270pdf

Relative abundances of the group 15 elements in the Earthrsquos crust

The main components (by percentage volume) of the Earthrsquos atmosphere

httpwwwsemiconductor-todaycomnews_items2012APRILYOLE_170412html

3

Phosphorus containing nerve agents

Destruction of the nerve agents

Selected low-temperature baths involving liquid N2

4

covalent bond enthalpy terms (kJ mol1)

vs

5

Schematic representation of the electronic repulsion believed to weaken the FF bond in F2

N2 - dinitrogen

httpwwwbbccoukschoolsgcsebitesizescienceedexcel_pre_2011oneearthusefulproductsrev2shtml

Fractional distillation

httpwwwmvsenggcomproductsnitrogenmembranenitrogenmembrane_process_detail

Membrane separation

Composition of air

Methods to produce N2 on a small scale

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 2: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

2

httpwwwcpscgovPageFiles122137270pdf

Relative abundances of the group 15 elements in the Earthrsquos crust

The main components (by percentage volume) of the Earthrsquos atmosphere

httpwwwsemiconductor-todaycomnews_items2012APRILYOLE_170412html

3

Phosphorus containing nerve agents

Destruction of the nerve agents

Selected low-temperature baths involving liquid N2

4

covalent bond enthalpy terms (kJ mol1)

vs

5

Schematic representation of the electronic repulsion believed to weaken the FF bond in F2

N2 - dinitrogen

httpwwwbbccoukschoolsgcsebitesizescienceedexcel_pre_2011oneearthusefulproductsrev2shtml

Fractional distillation

httpwwwmvsenggcomproductsnitrogenmembranenitrogenmembrane_process_detail

Membrane separation

Composition of air

Methods to produce N2 on a small scale

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 3: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

3

Phosphorus containing nerve agents

Destruction of the nerve agents

Selected low-temperature baths involving liquid N2

4

covalent bond enthalpy terms (kJ mol1)

vs

5

Schematic representation of the electronic repulsion believed to weaken the FF bond in F2

N2 - dinitrogen

httpwwwbbccoukschoolsgcsebitesizescienceedexcel_pre_2011oneearthusefulproductsrev2shtml

Fractional distillation

httpwwwmvsenggcomproductsnitrogenmembranenitrogenmembrane_process_detail

Membrane separation

Composition of air

Methods to produce N2 on a small scale

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 4: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

4

covalent bond enthalpy terms (kJ mol1)

vs

5

Schematic representation of the electronic repulsion believed to weaken the FF bond in F2

N2 - dinitrogen

httpwwwbbccoukschoolsgcsebitesizescienceedexcel_pre_2011oneearthusefulproductsrev2shtml

Fractional distillation

httpwwwmvsenggcomproductsnitrogenmembranenitrogenmembrane_process_detail

Membrane separation

Composition of air

Methods to produce N2 on a small scale

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 5: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

5

Schematic representation of the electronic repulsion believed to weaken the FF bond in F2

N2 - dinitrogen

httpwwwbbccoukschoolsgcsebitesizescienceedexcel_pre_2011oneearthusefulproductsrev2shtml

Fractional distillation

httpwwwmvsenggcomproductsnitrogenmembranenitrogenmembrane_process_detail

Membrane separation

Composition of air

Methods to produce N2 on a small scale

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 6: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

6

tetrahedral P4

Part of one of the chain-like arrays of atoms present in the infinite lattice of Hittorfrsquosphosphorus

Part of one layer of puckered 6-membered rings present in black phosphorus

httpenwikipediaorgwikiFilePhosphCombyjpg

httpenwikipediaorgwikiFilePhosphorusAllotropessvg

Phosphorus

ArsenicArsenic antimony and bismuth in the solid state

Vapor phase

4M + 3O2 2M2O3 (M = As Sb Bi)

2As + 6NaOH 2Na3AsO3 + 3H2

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 7: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

7

httpwwwyettercocommedia-libraryvideospreview12jpg

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 8: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

8

Chemistry of ammonia (NH3)

barrier to inversion is low 24 kJ mol-1

4NH3 + 3O2 2N2 + 6H2

4NH3 + 5O2 ndashndashPtRh 4NO + 6H2O

NH3(aq) + H2O(l) [NH4]+(aq) + [OH]-(aq) Kb = 18x10-5

[NH4]+(aq) + H2O(l) [H3O]+(aq) + NH3(aq) Ka = 56x10-10

NH3 + HBr NH4Br

CaSO4 + 2NH3 + CO2 + H2O CaCO3 + [NH4]2SO4

NH3 + HNO3 NH4NO3

Oxidation products depend on conditions

Chemistry of phosphinephosphane (PH3)

K + PH3 K+ + [PH2]- + 12H2

HX + PH3 PH4X

[PH4]+ + H2O PH3 + [H3O]+

PH3 acts as a Lewis base forms a range of adducts

H3BmiddotPH3Cl3BmiddotPH3 Ni(PH3)4 Ni(PH3)2(CO)2

PH3 + 2O2 --Δ H3PO4

liquid NH3

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 9: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

9

Hydrides E2H4 (E = N P As)

(a) The structure of N2H4 and Newman projections showing (b) the observed gauche conformation and (c) the possible staggered conformation An eclipsed conformation is also possible

NH3 + NaOCl NH2Cl + NaOH fast

NH3 + NH2Cl + NaOH N2H4 + NaCl + H2O slow

Hydrazine (N2H4) is kinetically stable with respect to N2 and H2 ΔfH(298K) = +506 kJ mol-1

Removes O2 from industrial boilers (forms N2H4 + O2 N2 + 2H2O)

Alkyl derivatives used with N2O4 as rocket fuel

High Energy Density Materials

55-azotetrazolate dianion

[N2H5]2(2+) 2H2OBa2+ + [N2H5]2[SO4]

373 K in vacuo

ΔfH(s 298 K) = +858 kJmol(37 kJg)

[N2H5]2(2+)[N2H5]2

(2+) 2H2O

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 10: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

10

[P3H3]2-

Potential diagram for nitrogen at pH = 0

Latimer (or reduction potential diagrams) show the standard reduction potentials connecting various oxidation states of an element

Is hydroxlamine [NH3OH]+ stable with respect to disproportionation to N2 and [N2H5]+ amp [NH4]+

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 11: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

11

HN3

[N3]

[N3HN3]

[PPh4][N3] + Me3SiN3 + EtOH [PPh4][N3HN3] + Me3SiOEt

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 12: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

12

trans- [Ru(en)2(N2)(N3)] [Sn(N3)6]2-

Metal and non-metal azide compounds

N2 isolated 1790N3

- synthesized 1890N5

+ synthesized 1999

[N2F]+[SbF6] + HN3 [N5]+[SbF6]- + HF(i) Liquid HF 195 K(ii) Warm to 298 K

[N5]+[SbF6]-

[NO]+[SbF6]- + 25N2

[NO2]+[SbF6]- + 25N2

[Br2]+[SbF6]- + 25N2

NO

NO2

Br2

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 13: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

13

Nitrides

Li3N Na3N Be3N2 Mg3N2 Ca3N2 Ba3N2 and AlN

bullHydrolysis of saline hydrides liberates NH3

bullNa3N is hygroscopic

Na3N + 3H2O 3NaOH + NH3

bullNitrides of d-block metals are hard inert solids with high melting points and electrical conductivities

Pernitrides [N2]2- are known for Sr Ba

bullConditions of 5600 bar of N2 at 920 K for BaN2

Si3N4 are used in glow plugs

titanium nitride coated saw blades

Most elements (except Hg Pb As Te) combine with P to form phosphidesbull Variety of solid state structures

bull The alkali metals can also form phosphides which contain groups of P atoms (eg [P7]3- and [P11]3-) as chains or cages

Phosphides

bull Phosphides with d-block metals tend to be inert metallic looking with high melting point and electrical conductivities

bull Group 1 metals form M3P and Group 2 metals form M3P2

bull Are hydrolyzed by water and can be considered ionic

httppubsrscorgencontentarticlelanding2010csb916787kdivAbstract

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 14: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

14

Gallium Arsenide

bull Important group III-V semiconductor that crystallizes with zinc-blende structure

bull Band gap of 142 eV thus can be used to make devices that emit light in the infrared region

bull Exhibits high electron mobility 8500 cm2V-1s-1 vs silicon 1500 cm2V-1s-1

bull Disadvantages of GaAs vs Sibull Expensivebull Brittlebull Lower Thermal Conductivity

bull Highest-efficiency single-junction solar cell at 288

bull httpdxdoiorg1011092FPVSC20126317891

Unit cell of NiAs

Ni

As

NiAs (nickel arsenide)

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 15: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

15

[Sb8]2 or [Bi8]2 Pd-centered pentagonal antiprismatic structure of

[PdBi10]4

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 16: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

16

Selected reactions of PCl5

SbF54

[Sb2F11] [As6I8]2

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 17: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

17

[BiCl3(15-crown-5)] [BiCl3L]

Oxides of Nitrogen

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 18: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

18

[N2O2]2-

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 19: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

19

HNO3

NO3-

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 20: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

20

oxoacids of phosphorus

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 21: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

21

[W3(OH2)9NiSe4PH(OH)2]4

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 22: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

22

enantiomers (non-superimposable mirror images)

unit cell of FeSb2O6 unit cell of NaSbO3

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 23: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

23

[Cl3PNPCl2NPCl3]

[Cl3PN(PCl2N)2PCl3]Proposed reaction scheme for the formation of the cyclic phosphazene (NPCl2)3

phosphazenes (NPX2)3 P4N4 ring conformations

P+

P+

P+N-

N-

N-

24

(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2

Page 24: Chapter 15 Group 15 Elements - University of North …michael.lufaso/chem4612/chapter15.pdfChapter 15 Group 15 Elements ... ... (or reduction potential diagrams) show the standard

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(R)-[Sb(O2CCF3)3] Bi2(O2CCF3)4 [Bi2(C6H4O2)4]2