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ChemInform Abstract: The Mixed Valence Tungsten(IV,V) Compound Na[W2O2Br6].

โœ Scribed by Y.-Q. ZHENG; K. PETERS; H. G. VON SCHNERING


Publisher
John Wiley and Sons
Year
2010
Weight
37 KB
Volume
29
Category
Article
ISSN
0931-7597

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The Mixed Valence Tungsten(IV,V) Compoun
โœ Yue-Qing Zheng; Karl Peters; Hans Georg von Schnering ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 101 KB

The reaction of W 6 Br 12 , NaBr, and WO 2 Br 2 in the presence of Br 2 in a sealed silica tube yields Na[W 2 O 2 Br 6 ] together with WOBr 4 and WO 2 Br 2 in the low temperature zone (temperature gradient 1030/870 K). Na[W 2 O 2 Br 6 ] crystallizes orthorhombically in the space group Immm (no. 71)