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Issue 17, 1995
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C4-ring ligand-transfer reactions: applications to cluster chemistry. Crystal structures of [Ru5C(CO)13(η-C4Ph4)] and [Ru6C(CO)15(η-C4Ph4)]

Abstract

Redox-mediated ligand-transfer reactions between the cationic complex [Pd(η-C4Ph4)(Me2CO)2]2+ and the dianionic clusters, [Ru5C(CO)14]2– and [Ru6C(CO)16]2– afforded [Ru5C(CO)13(η-C4Ph4)]1 and [Ru6C(CO)15(η-C4Ph4)]2, respectively. The new clusters 1 and 2 have been characterised by spectroscopic techniques in solution and in the solid-state by single-crystal X-ray diffraction. In 1 the ring is co-ordinated to a basal ruthenium atom of the square-pyramidal cluster framework, while in 2 the octahedral metal core of the parent complex has opened slightly through the elongation of one Ru–Ru bond. The reasons for this structureal change have been analysed using extended-Hückel molecular-orbital calculations.

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Article type: Paper
DOI: 10.1039/DT9950002749
Citation: J. Chem. Soc., Dalton Trans., 1995,0, 2749-2755
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    C4-ring ligand-transfer reactions: applications to cluster chemistry. Crystal structures of [Ru5C(CO)13(η-C4Ph4)] and [Ru6C(CO)15(η-C4Ph4)]

    P. J. Dyson, S. L. Ingham, B. F. G. Johnson, J. E. McGrady, D. M. P. Mingos and A. J. Blake, J. Chem. Soc., Dalton Trans., 1995, 0, 2749
    DOI: 10.1039/DT9950002749

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