Tungsten(VI) oxytetrabromide

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.[1] The related tungsten(VI) oxytetrachloride has been more heavily studied. The compound is usually classified as an oxyhalide.

Tungsten(VI) oxytetrabromide
Identifiers
3D model (JSmol)
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)
reacts
Structure
tetragonal
Hazards
not listed
Related compounds
Other anions
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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Infobox references

References

  1. 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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