Tungsten(VI) oxytetrabromide is the inorganic compound with the formula WOBr4. This a red-brown, hygroscopic solid sublimes at elevated temperatures. It forms adducts with Lewis bases. The solid consists of weakly associated square pyramidal monomers.[2] The related tungsten(VI) oxytetrachloride has been more heavily studied. The compound is usually classified as an oxyhalide.
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| Properties | |
| WOBr4 | |
| Molar mass | 519.46 g/mol |
| Appearance | red crystals |
| Density | 5.5 g/cm3 |
| Melting point | 277 °C (531 °F; 550 K) |
| Boiling point | 327 °C (621 °F; 600 K) |
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| Structure | |
| tetragonal | |
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Other anions
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Tungsten(VI) oxytetrafluoride Tungsten(VI) oxytetrachloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References
edit- ^ Chambers, Michael. "ChemIDplus - 0013520779 - KKUANYDOAOHBGB-UHFFFAOYSA-J - Tungsten tetrabromide monoxide - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.nlm.nih.gov.
- ^ Hess, H.; Hartung, H. (1966). "Die Kristallstruktur von Wolframoxidchlorid WOCl4 und Wolframoxidbromid WOBr4". Z. Anorg. Allg. Chem. 34 (3–4): 157–166. doi:10.1002/zaac.19663440306.
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