Telluride bromide

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The telluride bromides are chemical compounds that contain both telluride ions (Te2−) and bromide ions (Br−). They are in the class of mixed anion compounds or chalcogenide halides.[1]

In many tellurium bromide compounds, tellurium atoms link up in a helix, similar to pure tellurium structure. In Rhenium compounds tellurium atoms form a cluster with rhenium atoms. In some materials, tellurium forms a honeycomb like structure containing tubes filled with bromine and the other elements.

List

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name formula system space group unit cell Å volume density properties ref
Sb2Te2BrAlCl4 monoclinic C2/c [1]
copper telluride bromide CuBrTe tetragonal I41/amd a = 16.417 c = 4.711 Z = 16 1269.7 5.67 black [2]
MoTe4Br silver [3]
Mo4Te7Br8 black semiconductor [3]
MoTe6Br3 silver [3]
[Mo3Se7(TeBr3)Br2]2[Te2Br10] triclinic P1 a=10.1638 b=11.0241 c=12.5200 α =85.461 β =85.529 γ =76.410°; Z =1 1358.94 4.631 [1][4]
NbOTe7Br5 [3]
decasilver tetratelluride tribromide Ag10Te4Br3 hexagonal *2

orthorhombic*2

P6/mmm

P63/mmc

Cmc21

Ag+ conductor [5]
Ag10Te4Br3 orthorhombic Cmcm a=15.381 b=15.765 c=13.726 3328.2 Ag ion conductor [6]
Ag23Te12Br orthorhombic Pnnm honeycomb Te; Ag ion conductor [1]
Ag19Te6Br7 trigonal

monoclinic

R3m [1]
Ag19Te6Br5.4I1.6 orthorhombic Pnma electric conductor [1]
Ag19Te5SeBr7 orthorhombic Pbam [1]
La3Te4Br orthorhombic Pnma a = 16.343 b = 4.350 c = 14.266 Z = 4 1014.1 [1][7]
W2O2Te4Br5
Re4Te8Br16 I4 a=11.202 c=13.935 1748.6 [8]

[Re2Br4(Te2)(TeBr)2(TeBr2)2]

[1]
[Re6Te8(TeBr2)6]Br2 [1]
Pd4Br4Te3 triclinic P1 a =8.425 b =8.450 c =8.648; α =82.55 β =73.36 γ =88.80°; Z =2 semiconductor [9]
AuBrTe2 orthorhombic a=4.033 b=12.375 c=8.942 7.89 silvery white, metallic melt 457 C [2][10]
Hg3Te2Br2 yellow [1][11]
Hg3Te2BrI monoclinic C2 18.376 b=9.587 c=10.575 β=100.11° [11][12]
Tl5Te2Br [13]
BiTeBr trigonal P3m1 a = 4.2662 c = 6.487 melt 526 [14]
Bi2Te2BrAlCl4 monoclinic C2/c [1]

References

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