A combined spectroelectrochemical and computational study of the chemically reversible 2-electron reduction of [Ru4(μ-RC2R) 2(CO)11] clusters

Olivia F. Koentjoro, Paul J. Low, Roger Rousseau, Carlo Nervi, Dmitry S. Yufit, Judith A.K. Howard, Konstantin A. Udachin

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Abstract

The 62-CVE clusters Ru4(μ-RC2R) 2(CO)11, which feature a dodecahedral cluster core, are readily reduced to a 64-CVE dianion in a process that is essentially chemically reversible. A combination of electrochemical, spectroelectrochemical, and computational analyses of the system indicates that the first formed dianion, which features a square planar arrangement of the metal centers with the alkyne ligands located on opposite faces of the M4 square and oriented in a manner such that the C-C bonds are perpendicular to each other, undergoes a thermal rearrangement giving a product in which the alkyne vectors lie parallel to each other across the metal framework.

Original languageEnglish
Pages (from-to)1284-1292
Number of pages9
JournalOrganometallics
Volume24
Issue number6
DOIs
Publication statusPublished - Mar 14 2005

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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