The telluride iodides are chemical compounds that contain both telluride ions (Te2−) and iodide ions (I−). They are in the class of mixed anion compounds or chalcogenide halides.[1]
Tellurium does not normally bond with iodine, but can form many different units with bonds to other tellurium atoms.
name | formula | system | space group | unit cell | volume | density | properties | ref |
---|---|---|---|---|---|---|---|---|
Copper telluride iodide | CuTeI | tetrahedral | I41/amd | a = 17.170, c = 4.876, and Z = 16 | Cu+1 ion conductor; metallic grey | [2] [3] | ||
(CuI)3Cu2TeS3 | P3121 | |||||||
gallium telluride iodide | GaTeI | orthorhombic | band gap 2.55 | |||||
Ge40.0Te5.3I8 | cubic | Pmn | a=10.815 Z = 1 | 1265.0 | 6.023 | band gap 0.8 eV; clathrate | [4] | |
α-Arsenic telluride iodide | AsTeI | monoclinic | P21 | a=8.965 b=4.042 c=10.341 β=90.75 Z=4 | 5.84 | melt 281°C black | [5] | |
β-Arsenic telluride iodide | AsTeI | cubic | Fm3m | a=5.791 Z=2 | 5.63 | black metallic | ||
As4Te5I2 | monoclinic | a=14.58 b=4.00 c=12.26 β=95.0 Z=2 | 5.51 | melt 303 °C metallic | ||||
triniobium telluride heptaiodide | Nb3TeI7 | |||||||
NbTe4I | P21/c | a=7.695 b=15.393 c=13.438 β=100.84 Z=8 | 1563.2 | 6.205 | black metallic | [6] | ||
diniobium hexatelluride iodide | Nb2Te6I | P21/c | a=9.197 b=13.387 c=9.651 β=112.36 | 1093.8 | 6.548 | [7] | ||
Nb4Te12I | monoclinic | C12/c1 | a=21.957 b=6.147 c=19.925 β=122.40 Z=4 | 2270.6 | 5.8 | black | [8] | |
Nb4Te17I4 | monoclinic | C2/c | a = 16.199 b = 8.128 c = 27.355 β = 110.84°, Z = 4 | black metallic | [9] | |||
Mo3Tel0Il0 | ||||||||
[Mo<sub>3</sub>Se7(TeI<sub>3</sub>)I<sub>2</sub>]I | monoclinic | P23/n | a=10.4969 b=13.029 c=16.567 β =102.921° Z=4 | 2208.3 | 5.202 | [10] | ||
[Mo<sub>3</sub>Te<sub>7</sub>(TeI<sub>3</sub>)<sub>3</sub>]2(I)(TeI3) | triclinic | P | a=11.2148 b=11.6550 c=16.6798 α=92.124 β=102.223 γ=117.427 Z= | 1868.4 | 5.374 | |||
Palladium telluride iodide | PdTeI | a=7.821 c=5.659 | brass yellow | [11] [12] | ||||
Ag23Te12I | orthorhombic | Pnnm | honeycomb Te | |||||
Ag19Te6Br5.4I1.6 | orthorhombic | Pnma | electric conductor | |||||
indium telluride iodide | InTeI | monoclinic | P21/c | [13] | ||||
Antimony telluride iodide | SbTeI | triclinic | P | |||||
(Sb2Te2)I[AlI<sub>4</sub>] | monoclinic | P21/n | ||||||
La2TeI2 | rhombohedral | Rm | a = 4.5074 c = 32.528 Z = 3 | metallic | [14] | |||
Er17.3Te24I8 | Fd3m | a=12.020 | [15] | |||||
Ta3TeI7 | hexagonal | P63mc | ||||||
[TaTe<sub>4</sub>]4[PtI<sub>6</sub>]I2 | triclinic | P | a=16.831 b=17.740 c=19.018 α=93.57 β=94.08 γ=102.09 Z=1 | 977.65 | [16] | |||
TaTe4I | triclinic | P | a=6.679 b=7.787 c=8.581 α=112.76 β=102.60 γ=101.25 Z=2 | 381.8 | 7.118 | black | ||
W2Cl12Te6I2 | [17] | |||||||
Gold telluride iodide | AuITe | monoclinic | a=7.317 b=7.626 c=7.249 β=106.33 | 7.73 | semiconductor band gap 0.9 grey melt 360°C | [18] | ||
Gold telluride diiodide | AuITe2 | orthorhombic | Pmmb | a = 4.056 Å, b = 12.579 Å, c = 4.741 Å, Z = 2 | 241.9 | 7.989 | silvery white conductor melt 440°C | [19] |
Hg3Te2I2 | greyish red | |||||||
Hg3Te2BrI | monoclinic | C2 | 18.376 b=9.587 c=10.575 β=100.11° | [20] | ||||
Hg3TeI4 | cubic | F3m | a=6.244 Z=(80% partial occupancy) | 243.4 | 7.03 | decompose 273°C dark ruby red | [21] | |
Bismuth telluride iodide | BiTeI | P3m1 / Pnma | over 3.9 GPa Weyl semimetal; under semimetal | |||||
ThTe2I2 | monoclinic | C2/m | a = 7.642 b = 14.336 c = 7.727 and β = 111.27° Z = 4 | [22] | ||||
[Ta<sub>7</sub>(Se<sub>2</sub>)<sub>14</sub>][U<sub>2</sub>I<sub>10</sub>]2 | orthorhombic | Cccm | a = 21.5134 b = 22.1619 and c = 16.7834 Z=4 | [23] | ||||