Molybdenum(VI) chloride
Names
Other names
molybdenum hexachloride
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/6ClH.Mo/h6*1H;/q;;;;;;+6/p-6
    Key: DBGPLCIFYUHWKA-UHFFFAOYSA-H
  • Cl[Mo](Cl)(Cl)(Cl)(Cl)Cl
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).
Infobox references

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]

References

  1. 1 2 Tamadon, Farhad; Seppelt, K. (2012). "The Elusive Halides VCl5, MoCl6, and ReCl6". Angewandte Chemie International Edition. 52 (2): 767–769. doi:10.1002/anie.201207552. PMID 23172658.
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