Phosphide bromides orbromide phosphides are compounds containing anions composed of bromide (Br−) and phosphide (P3−) anions. Usually phosphorus is covalently connected into more complex structures. They can be considered asmixed anion compounds. They are in the category ofpnictidehalides. Related compounds include thephosphide chlorides,phosphide iodides,nitride bromides,arsenide bromides, andantimonide bromides.
| formula | system | space group | unit cell Å | volume | density | comment | ref |
|---|---|---|---|---|---|---|---|
| Ca2PBr | cubic | I43d | a=5.96 Z=2 | red brown | [1] | ||
| Ca2PBr | hexagonal | R3m | a=4.23 c=20.9 Z=3 | [1] | |||
| Cu12P20Br10 | triclinic | P | a = 9.886,b = 13.190,c = 14.763,α = 70.83°,β = 82.68°,γ = 80.13°,Z = 2 | 1786.1 | [2] | ||
| Cu13P15Br12 | [3] | ||||||
| Cu6PS5Br | cubic | P43m | a=9.732 Z=4 | 921.8 | 4.701 | red | [4] |
| (CuBr)2P8Se3 | orthorhombic | Pbcm | a=8.761 b=11.957 c=13.858 Z=4 | 1451.8 | [5] | ||
| Sr2PBr | cubic | I43d | a=9.31 Z=2 | brown violet | [1] | ||
| Sr2PBr | hexagonal | R3m | a=4.44 c=22.0 Z=3 | dark reddish brown | [1] | ||
| Sr2P7Br | cubic | P213 | a=9.789 Z=4 | 938.0 | 3.342 | red band gap 2.1 eV | [6] |
| Y2PBr2 | rhombohedral | a=3.9807 c=29.250 | [7] | ||||
| Ag6PS5Br | cubic | P43m | a=10.3765 Z=4 | 1117.26 | 5.460 | red | [4] |
| Cd5P2Br4 | orthorhombic | Pna21 | a=12.189, b=7.7080, c=13.664 | [8] | |||
| Sn24P19.3Br8 | [9] | ||||||
| Sn17Zn7P22Br8 | cubic | Pm3n | a=10.7449 | [10] | |||
| Sn24−xInxP19.2+0.2xx<16 | cubic | Pm3n | [11] | ||||
| Si30+xP16–xTe8–xBrxx = 1–6.4 | cubic | Pm3n | a=9.9720 - 10.0405 | [12] | |||
| Ba2PBr | hexagonal | R3m | a=4.67 c=23.3 Z=3 | [1] | |||
| Ba2P7Br | monoclinic | P21/m | a=6.294 b=6.835 c=11.850β=95.819 Z=2 | 507.2 | 3.742 | orange | [13] |
| La2PBr2 | trigonal | P3m1 | a=4.311 c=11.000 Z=1 | 177.04 | 5.28 | [7] | |
| La3Zn4P6.6Br0.8 | orthorhombic | Cmcm | a=4.099 b=14.229 c=20.388 Z=4 | 1189.0 | 5.290 | black | [14] |
| Eu2PBr | R3m | a = 4.385,c = 21.90,Z = 3 | [15] | ||||
| W4(PBr)Br10 | monoclinic | C12/m1 | a=14.0933 b=10.3228 c=11.8169 β=93.906 Z=4 | 1715.16 | dark green | [16] | |
| Hg2P3Br | orthorhombic | Pbcn | a = 8.014,b = 8.902,c = 7.823,Z = 4 | [17] | |||
| Hg7P4Br6 | monoclinic | P21/c | a = 6.0452,b = 19.848,c = 7.5596 β = 104.214° Z=2 | 879.3 | 7.582 | brown | [18] |
| (Hg2P)2HgBr4 | monoclinic | P21 | a=7.776 b=12.226 c=7.930 β=121.34 Z=2 | 643.9 | 7.141 | discovered in 1907; bright yellow; air with light sensitive | [19] |
| [Hg7P4Br3](SnBr3) | cubic | P213 | a=12.490 Z=4 | [20] |