Molybdenum(VI) oxytetrachloride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.156.445
EC Number
  • 628-149-2
  • Key: UYEGPKGLVUUIGD-UHFFFAOYSA-J
  • InChI=1S/4ClH.O.Mo/h4*1H;;/q;;;;-2;/p-4
  • [O-2].[Cl-].[Cl-].[Cl-].[Cl-].[Mo]
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
GHS labelling:[1]
GHS05: Corrosive
Danger
H314
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

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.

Preparation

It is prepared by treating molybdenum pentachloride with oxygen.[2] It also arises by chlorination of molybdenum trioxide:[3]

MoO3 + 2 SOCl2 → MoOCl4 + 2 SO2

See also

References

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