Acta Cryst. (2008). E64, m1150  [ doi:10.1107/S1600536808025245 ]

Pentacarbonyl-2⁵C-chlorido-1Cl-bis[1(⁵)-cyclopentadienyl][-oxido(phenyl)methylene-1:2²O:C]hafnium(IV)tungsten(0)

C. Esterhuysen, I. B. J. Nel and S. Cronje

Abstract: The title compound, [HfW(C₅H₅)₂(C₇H₅O)Cl(CO)₅] or [W(CO)₅(C₇H₅O){Hf(C₅H₅)₂Cl}], contains two metal centres, with a (tungstenpentacarbonyl)oxyphenylcarbene unit coordinated to a hafnocene chloride. The Hf-O-C angle is nearly linear, and the C=O distance is slightly shorter than for equivalent alkoxycarbenes. One of the cyclopentadienyl (Cp) rings undergoes an offset face-to-face - interaction [3.495 (7) Å] with the symmetry-related Cp ring of a neighbouring molecule.

Online 9 August 2008

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