Organometallic ‘helicopters.’ Characterisation of the non-rigid triosmium arene–alkene complexes [Os3(CO)8(η2-CH2CHR)(µ3-η2:η2:η2-C6H6)], (RH, Ph) and the X-ray crystal structure of [Os3(CO)8(η2-CH2CH2)(µ3-η2:η2:η2-C6H6)]

Mark A. Gallop; Brian F. G. Johnson; Jack Lewis; Paul R. Raithby

doi:10.1039/C39870001809

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Organometallic ‘helicopters.’ Characterisation of the non-rigid triosmium arene–alkene complexes [Os₃(CO)₈(η²-CH₂CHR)(µ₃-η²:η²:η²-C₆H₆)], (RH, Ph) and the X-ray crystal structure of [Os₃(CO)₈(η²-CH₂CH₂)(µ_3-η²:η²:η²-C₆H₆)]

Mark A. Gallop, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby

Abstract

The cluster-alkene complexes [Os₃(CO)₈(η²-CH₂CHR)(µ₃-η²:η²:η²-C₆H₆)](R [double bond, length as m-dash] H, Ph) contain benzene ligands in a face-capping co-ordination mode, and the geometry of the ethylene derivative has been confirmed by a single-crystal X-ray analysis; the intramolecular dynamics of these complexes have been investigated in solution by n.m.r. spectroscopy and are discussed in terms of arene ring-whizzing and alkene rotation.

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DOI: https://doi.org/10.1039/C39870001809
Article type: Paper

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J. Chem. Soc., Chem. Commun., 1987, 1809-1811

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Organometallic ‘helicopters.’ Characterisation of the non-rigid triosmium arene–alkene complexes [Os₃(CO)₈(η²-CH₂CHR)(µ₃-η²:η²:η²-C₆H₆)], (RH, Ph) and the X-ray crystal structure of [Os₃(CO)₈(η²-CH₂CH₂)(µ_3-η²:η²:η²-C₆H₆)]

M. A. Gallop, B. F. G. Johnson, J. Lewis and P. R. Raithby, J. Chem. Soc., Chem. Commun., 1987, 1809 DOI: 10.1039/C39870001809

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Journal of the Chemical Society, Chemical Communications

Organometallic ‘helicopters.’ Characterisation of the non-rigid triosmium arene–alkene complexes [Os₃(CO)₈(η²-CH₂CHR)(µ₃-η²:η²:η²-C₆H₆)], (RH, Ph) and the X-ray crystal structure of [Os₃(CO)₈(η²-CH₂CH₂)(µ_3-η²:η²:η²-C₆H₆)]

Abstract

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Organometallic ‘helicopters.’ Characterisation of the non-rigid triosmium arene–alkene complexes [Os₃(CO)₈(η²-CH₂CHR)(µ₃-η²:η²:η²-C₆H₆)], (RH, Ph) and the X-ray crystal structure of [Os₃(CO)₈(η²-CH₂CH₂)(µ_3-η²:η²:η²-C₆H₆)]

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