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Halide abstraction as a route to cationic molybdenum(IV) compounds: Crystal and molecular structure of [CpMoCI(MeCN)4][SbCl6]2 · MeCN |
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| Authors: | Gerald R Willey Timothy J Woodman Michael G B Drew |
| Institution: | a Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK b Department of Chemistry, University of Reading, Whiteknights, Reading RG6 2AD, UK |
| Abstract: | Treatment of CpMoC13(MeCN)2 with SbCl5 in acetonitrile solution provides the solvated cationic series CpMoCl2(MeCN)3]+, CpMoCl(MeCN)4]2+ and CpMo(MeCN)6]3+ as hexachloroantimon(V)ate salts following sequential halide abstraction. Characterization follows from microanalytical and spectroscopic (IR, and 1H NMR) data and, in the case of CpMoCl(MeCN)4]SbCl6]2 · MeCN, by X-ray crystallographic studies. The structure is disordered but individual cations contain a six coordinated pseudo-octahedral metal geometry in which the cyclopentadienyl ligand (regarded as unidentate) and the chlorine atom occupy axial positions with an equatorial array of four acetonitrile ligands. |
| Keywords: | Cyclopentadienyl Cationic Halide abstraction Molybdenum(IV) Crystal structure |
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