
Journal of the Chemical Society, Dalton Transactions p. 401 - 408 (1992)
Update date:2022-08-06
Topics:
Brew, Stephen A.
Jenkins, Paul D.
Jeffery, John C.
Stone, F. Gordon A.
In CH2Cl2 solutions at ca. -78 deg C the salts a single-crystal X-ray diffraction study.Within the five-membered WCPCP ring the bond distances are W-C 2.342(9), C-P 1.802(9), P-C 1.81(1) and P-W 2.482(3) Angstroem.The ligated carbon and phosphorus atoms of the ring, and the two essentially linearly bound CO ligands, form a pyramidal arrangement with the tungsten atom, the other side of which is co-ordinated by the nido-icosahedral C2B9H9Me2 cage in the usual η5 manner.The NMR spectra (1H, 13C-<1H>, 31P-<1H> and 11B-<1H>) of the new compounds are reported and discussed in relation to their structures.
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