Molybdenum(VI) chloride
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| Other names
molybdenum hexachloride
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3D model (JSmol)
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CompTox Dashboard (EPA)
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| Properties | |||
| MoCl6 | |||
| 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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Molybdenum(VI) chloride is the inorganic compound with the formula MoCl6. It is a black diamagnetic solid. The molecules adopt an octahedral structure as seen in β-tungsten(VI) chloride.[1]
Preparation and reactions
Molybdenum(VI) chloride is prepared from the molybdenum hexafluoride with excess boron trichloride:
- MoF6 + 3 BCl3 → MoCl6 + 3 BF2Cl
It is unstable at room temperature with respect to molybdenum(V) chloride and decomposition completes within several days:
- 2 MoCl6 → [MoCl5]2 + Cl2
The treatment of MoF6 with bismuth trichloride also produces MoCl6.[1]
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