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ChemInform Abstract: Synthesis and Structural Characterization of New Phases in the Cubic M3Te2O6X2 (M: Sr, Ba; X: Cl, Br) Structure Family.

✍ Scribed by Berthold Stoeger; Matthias Weil; Konstantin A. Silich; Andrey V. Olenev; Peter S. Berdonosov; Valery A. Dolgikh

Publisher: John Wiley and Sons
Year: 2011
Weight: 23 KB
Volume: 42
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201143014

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✦ Synopsis

Ba3Te2O6X2 is obtained by reacting TeO2 in a BaX2 flux at 1000 °C under atmospheric conditions. The samples are characterized by powder and single crystal XRD. All four compounds crystallize in the cubic space group Fd3m with Z = 16. The structures consist of a rigid ∞ 3 [M3Te2O6] 2+ framework (M: Sr, Ba) formed by two types of chemically non-bonded M6 octahedra that are capped by trigonal pyramidal [TeO3] anions located above every second face of one of the M6 octahedra. The X -anions are situated in the

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