Tellurite tellurate

A tellurite tellurate is a chemical compound or salt that contains tellurite and tellurate anions (TeO32- and TeO42-). These are mixed anion compounds. Some have third anions.

Naming

A tellurite tellurate compound may also be called a tellurate tellurite.

Production

One way to produce a tellurite tellurate compound is by heating oxides together.[1]

Properties

Monoclinic and orthorhombic dominate crystal structures of the tellurite tellurates.[2] Most compounds are transparent from near ultraviolet to the near infrared. Te-O bonds cause absorption lines in infrared.

Related to these are the selenate selenites and sulfate sulfites by varying the chalcogen.

List
name formula ratio

TeO3:TeO4

 mw system space group unit cell Å volume density optical references
NH4Te2O5(OH) 1:1 orthorhombic Pnma a=7.340 b=5.546 c=13.164 Z=4 535.9 4.50 [3]
K2Te4O12 1:3 monoclinic C2/m a=12.360 b=7.248 c=11.967 β =105.68 Z=4 1032.2 5.03 [1][4]
K4[Te56+Te34+]O23 3:5 orthorhombic Pna21 a = 19.793, b = 14.664, c = 7.292, Z = 4 [5]
Carlfriesite Ca[Te4+2Te6+O8] 2:1 monoclinic C2/c a=12.576 b=5.662 c=9.884 β=115.56 [2]
K4V6[Te24+Te6+]O24 2:1 trigonal R3c a = 9.7075, c = 42.701, Z = 6 3484.9 [6]
Co2+6(Te6+O6)(Te4+O3)2Cl2 2:1 tetragonal P42/mbc a = 8.59 c = 5.91 [2]
Rb4[Te56+Te34+]O23 3:5 orthorhombic Pna21 a = 19.573, b = 14.448, c = 7.273, Z = 4 [5]
Rb4V6[Te24+Te6+]O24 2:1 trigonal R3c a = 9.8399, c = 43.012, Z = 6 3606.6 [6]
Sr[Te4+2Te6+O8] 2:1 tetragonal P42/m a=6.8321 c=6.7605 [2]
SrCuTe2O7 1:1 orthorhombic Pbcm a = 7.1464, b = 15.061, c = 5.4380, Z = 4 585.3 [7]
NaYTe2O7 1:1 479.10 monoclinic P21/n a=6.7527 b=7.5077 c=11.8867 β =99.935 Z=4 593.59 5.361 [8]
RbTe1·25Mo0·75O6 a=10.469 [9]
(Ag,Na)2Te4O15 x=0.4 2:2 monoclinic P21/c a = 6.333, b = 24.681, c = 7.308, β = 110.84° Z = 4 [1]
Ag2[Te4+Te6+O6] 1:1 monoclinic P21/m a=5.4562 b=7.4009 c=6.9122 β=101.237 [2]
Ag2[Te4+2Te6+2O11] 2:2 triclinic P1 a=7.287 b=7.388 c=9.686 α=95.67 β=94.10 γ=119.40 [2]
Cd2Te4+Te6+O7 1:1 monoclinic P21/c a=9.3039 b=7.3196 c=13.2479 β=122.914 [2]
Cs2Te4+Te36+O12 1:3 rhombohedral R3m a=7.2921 c=18.332 [10]
CsTe2O6–x 1:1 cubic [10]
CsTe2O6–x 1:1 orthorhombic [10]
BaTe2O6 1:1 orthorhombic Cmcm a=5.569 b=12,796 c=7.320 Z=4 6.19 [2][11]
BaMgTe2O7 1:1 orthorhombic Ama2 a = 5.558, b = 15.215, c = 7.307 Z = 4 617.9 SHG 5 × KDP [12]
CsTe1·13Mo0·864O6 a=10.643 [9]
BaCoTeO3TeO4 1:1 orthorhombic Ama2 [13]
BaCuTeO3TeO4 1:1 orthorhombic Ama2 a = 5.4869, b =15.412, c = 7.2066, Z = 4. 609.42 [14]
BaZnTe2O7 orthorhombic Ama2 a = 5.5498, b = 15.316, c = 7.3098, Z = 4 621.34 SHG 5 × KDP [12]
CeV3Te3O15(OH)3·2H2O 995.74 hexagonal P63/mmc a=12.166 c=12.537 Z=4 1606.9 4.116 dark red [15]
PrV3Te3O15(OH)3·2H2O 996.53 hexagonal P63/mmc a=12.1147 c=12.4949 Z=4 1588.1 4.168 dark red [15]
NdV3Te3O15(OH)3·H2O 983.86 hexagonal P63/mmc a=12.1075 c=12.4572 Z=4 1581.5 4.132 dark red [15]
SmV3Te3O15(OH)3·H2O 989.97 hexagonal P63/mmc a=12.1068 c=12.4509 Z=4 1580.5 4.160 dark red [15]
EuV3Te3O15(OH)3·H2O 991.58 hexagonal P63/mmc a=12.0731 c=12.3674 Z=4 1561.2 4.219 dark red [15]
GdV3Te3O15(OH)3·H2O 996.87 hexagonal P63/mmc a=12.0745 c=12.3701 Z=4 1561.9 4.239 dark red [15]
RbTe1·5W0·5O6 a=10.462 [9]
CsTe1·625W0·375O6 a=10.543 [9]
α-Hg2Te2O7 1:1 monoclinic C2/c a=12.910 b=7.407 c=13.256 β =112.044 Z=8 [16]
β-Hg2Te2O7 1:1 orthorhombic Aea2 a=7.441, b=23.713 ,c=13.522, Z=16 [16]
PbCuTe2O7 1:1 orthorhombic Pbcm a = 7.2033, b = 15.047, c = 5.4691, Z = 4 592.78 [7]
Bi[(Bi3+Te4+)Te6+O8] [2]

References
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