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.

List

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 [1]
gallium telluride iodide GaTeI orthorhombic band gap 2.55 [1]
Ge40.0Te5.3I8 cubic Pm3n 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 [5]
As4Te5I2 monoclinic a=14.58 b=4.00 c=12.26 β=95.0 Z=2 5.51 melt 303 °C metallic [5]
triniobium telluride heptaiodide Nb3TeI7 [1]
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 [1][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 [1]
[Mo3Se7(TeI3)I2]I monoclinic P23/n a=10.4969 b=13.029 c=16.567 β =102.921° Z=4 2208.3 5.202 [1][10]
[Mo3Te7(TeI3)3]2(I)(TeI3) triclinic P1 a=11.2148 b=11.6550 c=16.6798 α=92.124 β=102.223 γ=117.427 Z= 1868.4 5.374 [1][10]
Palladium telluride iodide PdTeI a=7.821 c=5.659 brass yellow [11][12]
Ag23Te12I orthorhombic Pnnm honeycomb Te [1]
Ag19Te6Br5.4I1.6 orthorhombic Pnma electric conductor [1]
indium telluride iodide InTeI monoclinic P21/c [13]
Antimony telluride iodide SbTeI triclinic P1 [1]
(Sb2Te2)I[AlI4] monoclinic P21/n [1]
La2TeI2 rhombohedral R3m a = 4.5074 c = 32.528 Z = 3 metallic [1][14]
Er17.3Te24I8 Fd3m a=12.020 [15]
Ta3TeI7 hexagonal P63mc [1]
[TaTe4]4[PtI6]I2 triclinic P1 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 P1 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 [6]
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 [1]
Hg3Te2BrI monoclinic C2 18.376 b=9.587 c=10.575 β=100.11° [20]
Hg3TeI4 cubic F43m 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 [1]
ThTe2I2 monoclinic C2/m a  = 7.642 b  = 14.336 c  = 7.727 and β = 111.27° Z = 4 [22]
[Ta7(Se2)14][U2I10]2 orthorhombic Cccm a = 21.5134 b = 22.1619 and c = 16.7834 Z=4 [23]

References

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