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] Molybdenum(VI) chloride is prepared from the molybdenum hexafluoride with excess boron trichloride: It is unstable at room temperature with respect to molybdenum(V) chloride and decomposition completes within several days: The treatment of MoF6 with bismuth trichloride also produces MoCl6.

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