Carboxylato-Modified new oxo-Centred triruthenium cluster compounds with CO and solvent ligands: The X-ray structure of [Ru3O(C 2H5CO2)6(CO)(THF)2]

Atsushi Inatomi, Masaaki Abe, Yoshio Hisaeda

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14 Citations (Scopus)

Abstract

New synthetic precursors for CO-coordinated, oxo-centred triruthenium(II,III,III) complexes with varied, carboxylato groups [Ru 3O(RCO2)6(CO)(solvent)2] where R = C2H5, CH3 and C6H5 have been prepared and characterised. Among the series, the propionato-bridged complex [Ru3O(C2H5CO2) 6(CO)(THF)2] (1) was structurally determined by single-crystal X-ray crystallography. Cyclic voltammetry revealed that the benzoato-bridged complex [Ru3O(C6H5CO 2)6(CO)(C2H5OH)2] in 0.1 mol dm-3 nBu4NPF6/DMF undergoes two consecutive one-electron processes assignable to the redox of the Ru33-O) core, the redox potentials of which are highly dependent on the electron-donating/accepting nature of the carboxylato groups. UV-light excitation of the compounds in CH3CN resulted in the dissociation of CO to form the tris(CH3CN) compounds [Ru3O(RCO 2)6(CH3CN)3] (R = C 2H5, CH3 and C6H5). These compounds are highly useful as synthetic precursors to a wide range of μ3-oxo-trirutherium derivatives with well-defined redox responses.

Original languageEnglish
Pages (from-to)4830-4836
Number of pages7
JournalEuropean Journal of Inorganic Chemistry
Issue number32
DOIs
Publication statusPublished - Dec 1 2009

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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