Molybdenum(IV) bromide
Molybdenum(IV) bromide, also known as molybdenum tetrabromide, is the inorganic compound with the formula MoBr4. It is a black solid. MoBr4 has been prepared by treatment of molybdenum(V) chloride with hydrogen bromide:
- 2 MoCl5 + 10 HBr → 2 MoBr4 + 10 HCl + Br2
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molybdenum tetrabromide | |
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| Br4Mo | |
| Molar mass | 415.57 g·mol−1 |
| Appearance | black solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The reaction proceeds via the unstable molybdenum(V) bromide, which releases bromine at room temperature.[1]
Molybdenum(IV) bromide can also be prepared by oxidation of molybdenum(III) bromide with bromine.[2]
References
- Calderazzo, Fausto; Maichle-Mössmer, Cäcilie; Pampaloni, Guido; Strähle, Joachim (1993). "Low-Temperature Syntheses of Vanadium(III) and Molybdenum(IV) Bromides by Halide Exchange". J. Chem. Soc., Dalton Trans. (5): 655–658. doi:10.1039/DT9930000655.
- Georg Brauer (Hrsg.) u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0, S. 1537.
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