Telluride iodide - Misplaced Pages

Class of chemical compounds

The telluride iodides are chemical compounds that contain both telluride ions (Te) and iodide ions (I). They are in the class of mixed anion compounds or chalcogenide halides.

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
Copper telluride iodide	CuTeI	tetrahedral	I4₁/amd	a = 17.170, c = 4.876, and Z = 16			Cu ion conductor; metallic grey
	(CuI)₃Cu₂TeS₃		P3₁21
gallium telluride iodide	GaTeI	orthorhombic					band gap 2.55
	Ge_40.0Te_5.3I₈	cubic	Pm3n	a=10.815 Z = 1	1265.0	6.023	band gap 0.8 eV; clathrate
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
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
diniobium hexatelluride iodide	Nb₂Te₆I		P2₁/c	a=9.197 b=13.387 c=9.651 β=112.36	1093.8	6.548
	Nb₄Te₁₂I	monoclinic	C12/c1	a=21.957 b=6.147 c=19.925 β=122.40 Z=4	2270.6	5.8	black
	Nb₄Te₁₇I₄	monoclinic	C2/c	a = 16.199 b = 8.128 c = 27.355 β = 110.84°, Z = 4			black metallic
	Mo₃Te_l0I_l0
	I	monoclinic	P2₃/n	a=10.4969 b=13.029 c=16.567 β =102.921° Z=4	2208.3	5.202
	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
Palladium telluride iodide	PdTeI			a=7.821 c=5.659			brass yellow
	Ag₂₃Te₁₂I	orthorhombic	Pnnm				honeycomb Te
	Ag₁₉Te₆Br_5.4I_1.6	orthorhombic	Pnma				electric conductor
indium telluride iodide	InTeI	monoclinic	P21/c
Antimony telluride iodide	SbTeI	triclinic	P1
	(Sb₂Te₂)I	monoclinic	P2₁/n
	La₂TeI₂	rhombohedral	R3m	a = 4.5074 c = 32.528 Z = 3			metallic
	Er_17.3Te₂₄I₈		Fd3m	a=12.020
	Ta₃TeI₇	hexagonal	P6₃mc
	₄I₂	triclinic	P1	a=16.831 b=17.740 c=19.018 α=93.57 β=94.08 γ=102.09 Z=1	977.65
	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
	W₂Cl₁₂Te₆I₂
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
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
	Hg₃Te₂I₂						greyish red
	Hg₃Te₂BrI	monoclinic	C2	18.376 b=9.587 c=10.575 β=100.11°
	Hg₃TeI₄	cubic	F43m	a=6.244 Z=(80% partial occupancy)	243.4	7.03	decompose 273°C dark ruby red
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
	₂	orthorhombic	Cccm	a = 21.5134 b = 22.1619 and c = 16.7834 Z=4

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