Molybdenum oxytetrachloride

Molybdenum oxytetrachloride is the inorganic compound with the formula MoOCl4. This thermally unstable, dark green solid is used to prepare other complexes of molybdenum. It adopts a square pyramidal structure of C4v symmetry. As for other Mo(VI) compounds, it is diamagnetic. It decomposes thermally to MoOCl3.

Molybdenum(VI) oxytetrachloride
Identifiers
3D model (JSmol)
ECHA InfoCard 100.156.445
Properties
Cl4MoO
Molar mass 253.75 g·mol−1
Appearance dark green solid
Melting point 100–1 °C (212–34 °F; 373–274 K)
reacts
Solubility soluble in benzene and CS2
Hazards
not listed
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Preparation

It is prepared by treating molybdenum pentachloride with oxygen.[1] It also arises by chlorination of molybdenum trioxide:[2]

MoO3 + 2 SOCl2 → MoOCl4 + 2 SO2

See also

References

  1. Mallock, Alan K. (1967). "Molybdenum(VI) Oxide Chloride". Inorganic Syntheses. Inorganic Syntheses. 10. pp. 54–57. doi:10.1002/9780470132418.ch8. ISBN 9780470132418.
  2. Nielson, A. J. (1985). "Tungsten and Molybdenum Tetrachloride Oxides". Inorganic Syntheses. Inorganic Syntheses. 23. pp. 323–325. doi:10.1002/9780470132548.ch41. ISBN 9780470132548.
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