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Synthesis and Crystal Structure of Cs(VO2)3(TeO3)2, a New Layered Cesium Vanadium(V) Tellurite

✍ Scribed by William T. A. Harrison; Jarrod H. N. Buttery

Publisher: John Wiley and Sons
Year: 2000
Tongue: German
Weight: 116 KB
Volume: 626
Category: Article
ISSN: 0372-7874
DOI: 10.1002/(sici)1521-3749(200004)626:4<867::aid-zaac867>3.0.co;2-7

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✦ Synopsis

Synthetic Cs(VO 2 ) 3 (TeO 3 ) 2 is built up from infinite sheets of distorted octahedral V V O 6 groups, sharing vertices. These octahedral layers are ªcappedº by Te atoms (as parts of pyramidal [Te IV O 3 ] 2± groups) on both faces of each V/O sheet, with inter-layer, 12-coordinate, Cs + cations providing charge compensation. Cs(VO 2 ) 3 (TeO 3 ) 2 is isostructural with M(VO 2 ) 3 (SeO 3 ) 2 (M = NH 4 , K). Crystal data: Cs(VO 2 ) 3 -(TeO 3 ) 2 , M r = 732.93, hexagonal, space group P6 3 (No. 173), a = 7.2351(9) A Ê , c = 11.584(2) A Ê , V = 525.1(2) A Ê 3 , Z = 2, R(F) = 0.030, wR(F 2 ) = 0.063.

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