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Class of chemical compounds From Wikipedia, the free encyclopedia
The telluride phosphides are a class of mixed anion compounds containing both telluride and phosphide ions (Te2− P3−). The phosphidotelluride or telluridophosphide compounds have a [TeP]3− group in which the tellurium atom has a bond to the phosphorus atom. A formal charge of −2 is on the phosphorus and −1 on the tellurium. There is no binary compound of tellurium and phosphorus. Not many telluride phosphides are known, but they have been discovered for noble metals, actinides, and group 4 elements.
The titanium group elements form layered hexagonal crystals that can be exfoliated to monolayers. These contain ditelluride Te22- units.[1] These layered compounds can be intercalated to form non-stoichiometric compounds with zinc, copper or cadmium by heating with the metals.[2] Actinide telluride phosphides contain diphosphide anions P2.[3]
name | formula | MW | ratio
Te:P |
system | space group | unit cell
Å |
volume | density | optical | band gap | CAS | references | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P4S2Te | molecular | [4][5] | |||||||||||
P4STe2 | molecular | [4][5] | |||||||||||
Ti2PTe2 | hexagonal | R3m | a=3.6387 c=28.486 | metallic | on c axis | also monolayer | [4] | ||||||
MnxTi2PTe2 | R3m1 | a=3.648 c=9.628 | [6] | ||||||||||
FexTi2PTe2 | R3m1 | a=3.6356 c=9.639 | [6] | ||||||||||
Cu0.282Ti2PTe2 | R3m1 | a=3.6726 c=9.7822 | [6] | ||||||||||
Zn0.36Ti2PTe2 | R3m1 | a=3.6917 c=9.8480 | [6] | ||||||||||
CdxTi2PTe2 | R3m1 | a=3.6806 c=10.238 | [6] | ||||||||||
Zr2PTe2 | rhombohedral | R3m | a=3.8117 c=29.189 Z=3 | 367.27 | 6.356 | black | also monolayer | [7] | |||||
CuxZr2PTe2 | R3m1 | a=3.8445 c=10.1082 | [6] | ||||||||||
Zn0.337Zr2PTe2 | R3m1 | a=3.85873 c=10.1664 | [6] | ||||||||||
Cd0.194Zr2PTe2 | R3m1 | a=3.8469 c=10.4197 | [6] | ||||||||||
RuTeP | [8] | ||||||||||||
BaP4Te | orthorhombic | Pnma with | a =16.486 b =6.484 c =7.076 Z =4 | [4][9] | |||||||||
CeP0.4Te1.6 | [4] | ||||||||||||
CeP1.1Te0.9 | [4] | ||||||||||||
cerium phosphide telluride | Ce3Te3P | 3:1 | [10] | ||||||||||
Hf2Te2P | R3m | a=3.7946 c=29.14 | also monolayer | [1] | |||||||||
IrTeP | orthorhombic | a=6.030 b=6.131 c=12.132 | [11] | ||||||||||
OsTeP | 1:1 | arsenopyrite structure | P21/c | a = 6.2291 b = 6.1604 c = 6.2449 β = 112.01° | 222.2 | 10.43 | [12] | ||||||
ThPTe | 1:1 | tetragonal | a = 4.2505 and c = 17.268 | [13] | |||||||||
UPTe | tetragonal | a=4.100 c=17.026 | [13] | ||||||||||
U2PTe2O | pseudo tetragonal | a = 40.37c = 32.07 | |||||||||||
NpPTe | tetragonal | P4/nmm | a=4.265 c=9.067 | [13] | |||||||||
PuPTe | tetragonal | P4/nmm | a=4.289 c=9.098 | [13] | |||||||||
AmPTe | tetragonal | P4/nmm | a=4.269 c=9.050 | [13] |
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