The Mixed Valence Tungsten(IV,V) Compoun
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Yue-Qing Zheng; Karl Peters; Hans Georg von Schnering
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Article
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1998
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John Wiley and Sons
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German
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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)