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Tungsten(VI) oxytetrabromide

Summary

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.

Tungsten(VI) oxytetrabromide
Identifiers
  • 13520-77-9[1] checkY[chemIDplus]
3D model (JSmol)
  • Interactive image
ChemSpider
  • 64878725
  • 139485
  • InChI=1S/4BrH.O.W/h4*1H;;/q;;;;;+4/p-4
    Key: KKUANYDOAOHBGB-UHFFFAOYSA-J
  • InChI=1S/4BrH.O.W/h4*1H;;/q;;;;;+4/p-4
  • O=[W](Br)(Br)(Br)Br
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
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 edit

  1. ^ 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.
  2. ^ 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.