Molybdocene_dihydride

Molybdocene dihydride

Molybdocene dihydride

Organomolybdenum compound

Molybdocene dihydride is the organomolybdenum compound with the formula (η5-C5H5)2MoH2. Commonly abbreviated as Cp2MoH2, it is a yellow air-sensitive solid that dissolves in some organic solvents.

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The compound is prepared by combining molybdenum pentachloride, sodium cyclopentadienide, and sodium borohydride.[1][2] The dihydride converts to molybdocene dichloride upon treatment with chloroform.

The compound adopts a "clamshell" structure where the Cp rings are not parallel.[3]

References

  1. [1]
    Silavwe, Ned D.; Castellani, Michael P.; Tyler, David R. (1992). Bis(η5-Cyclopentadienyl)Molybdenum(IV) Complexes. Inorganic Syntheses. Vol. 29. pp. 204–211. doi:10.1002/9780470132609.ch50. ISBN 9780470132609.
  2. [2]
    Green, M. L. H.; McCleverty, J. A.; Pratt, L.; Wilkinson, G. (1961). "The Di-π-cyclopentadienyl Hydrides of Tantalum, Molybdenum, and Tungsten". Journal of the Chemical Society: 4854–9. doi:10.1039/JR9610004854.
  3. [3]
    K. Prout, T. S. Cameron, R. A. Forder, and in parts S. R. Critchley, B. Denton and G. V. Rees "The crystal and molecular structures of bent bis-π-cyclopentadienyl-metal complexes: (a) bis-π-cyclopentadienyldibromorhenium(V) tetrafluoroborate, (b) bis-π-cyclopentadienyldichloromolybdenum(IV), (c) bis-π-cyclopentadienylhydroxomethylaminomolybdenum(IV) hexafluorophosphate, (d) bis-π-cyclopentadienylethylchloromolybdenum(IV), (e) bis-π-cyclopentadienyldichloroniobium(IV), (f) bis-π-cyclopentadienyldichloromolybdenum(V) tetrafluoroborate, (g) μ-oxo-bis[bis-π-cyclopentadienylchloroniobium(IV)] tetrafluoroborate, (h) bis-π-cyclopentadienyldichlorozirconium" Acta Crystallogr. 1974, volume B30, pp. 2290–2304. doi:10.1107/S0567740874007011
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