Phosphide chloride

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A Phosphide chloride is a

mixed anion compound containing both phosphide (P3−) and chloride
(Cl−) ions.

A common structural element is P73− which is called heptaphosphanortricyclane with a formal IUPAC name of heptaphosphatricyclo[2.2.1.02,6]heptane.[1]

Group 12 elements, cadmium and mercury are in most of the known compounds.

List

name formula formula
weight 		crystal
system 		space
group 		unit cell Å volume density comments ref
Ca3PCl3 cubic Pm3m a=5.713 Z=1 186.48 2.29 [2]
Cu6PS5Cl 607.96 cubic P43m a=9.6962 Z=4 911.6 4.430 red [3]
Sr2PCl cubic a=6.18 [4]
Sr2P7Cl monoclinic C2/c a=14.571 b=12.212 c=22.292 β=103.740° Z=16 3853 3.948 P73–, clusters [1]
Ag6PS5Cl cubic P43m a=10.3514 Z=4 1109.2 5.234 orange [3]
α-Cd3PCl3 hexagonal a=7.63 c=7.13 pale yellow >530 °C or quenched [5]
β-Cd3PCl3 monoclinic a=6.99 b=7.97 c=7.38 β=118.1° pale yellow <530 °C [5]
Cd4P2Cl3 617.89 cubic Pa3 a=12.1474 Z=8 1792.5 4.579 yellow; band gap 2.36 eV [6]
Cd2P3Cl monoclinic C2/c a=7.98 b=8.98 c=7.55 β= brown; band gap 1.87 [7]
Cd2PCl2 monoclinic P21/n a=7.736 b=8.957 c=7.880 β=118.92° Z=4 477.93 4.540 yellow [8][9]
Cd7P4Cl6 cubic Pa3 a=11.93 light green [7]
Ba2P7Cl monoclinic P21/m a = 11.726, b = 6.829, c = 6.337, β = 95.27°, Z = 2 P73–, clusters [1][10]
La3Zn4P6Cl orthorhombic Cmcm a= 4.0576 b 13.632 c 21.547 Z=4 1191.8 5.013 black; thermal conductivity 0.7 Wm−1 K−1 (low) [11][12]
Eu2PCl cubic Fm3m a = 6.106, Z = 2 [13]
W6PCl17 orthorhombic Imm2 a=6.7835 b=15.8762 c=10.0727 Z=2 1084.79 5.3168 black [14]
W4(PCl)Cl10 monoclinic C2/m a=13.257 b=9.850 c=11.400 β=91.38 Z=4 1488.2 5.161 black; chloro-phosphinidene ligand [14]
[Hg4P2][HfCl6] orthorhombic Pbca a=12.919 b=13.263 c=16.239 Z=8 2783 5.994 yellow [15]
Hg2PCl2 monoclinic I2/m a=7.643,b=7.977,c=8.539,β=115.23°,Z=4 469.8 7.113 yellow [16][17]
Hg2P3Cl monoclinic C2/c a = 7.834, b = 8.844, c = 7.591, β = 98.68°, Z = 4 [18]
[Hg6P4](TiCl6)Cl cubic Pa3 a=11.7675, Z=4 1627.2 6.627 black or dark brown [19]
(Hg6P4)(CrCl6)Cl 1627.57 cubic Pa3 a=11.7364 Z=4 1616.6 6.687 yellow; resistivity is humidity sensitive [20]
(Hg6P4)(CuCl3)2 monoclinic C2/c a=23.633 b=8.956 c=14.248 β =124.213° Z=6 2493.9 6.660 pinkish-red; ferroelectric below 37 K: 114 μC m−2 [21]
(Hg23P12)(ZnCl4)6 hexagonal P62m a=12.9774 c=11.749 Z=1 1713.6 6.035 yellow [22]
(Hg11P4)(GaCl4)4 monoclinic C2/m a=12.762 b=7.353 c=22.040 β=100.32 Z=2 2034.7 5.185 yellow [23]
[Hg4P2][ZrCl6] orthorhombic Pbca a=12.899 b=13.255 c=16.196 Z=8 2769.1 5.604 yellow [15]
Hg4Ag5P8Cl5 orthorhombic Cmcm a=11.1426 b=14.5064 c=11.8444 Z=4 1914.5 6.129 high temp [24]
Hg4Ag5P8Cl5 monoclinic C2/m a=14.490 b=10.904 c=6.2863 β=104.094 Z=2 963.4 6.090 [24]
[Hg6P4Cl3](SnCl3) cubic P213 a = 11.865 Z=4 [25]
(Hg6P4Cl3)(PbCl3) cubic P213 a=11.8837 Z=4 1678.24 6.916 yellow [22]

References

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  17. doi:10.1006/jssc.1998.7977
    .
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  19. doi:10.1006/jssc.2001.9196
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  21. PMID 24006192
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  23. PMID 24022795
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  24. ^
    doi:10.1002/ange.200601155
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  25. doi:10.1002/1099-0682(200203)2002:3<547::AID-EJIC547>3.0.CO;2-N
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