Polycarbon Ligand Chemistry: Electronic Interactions between a Mononuclear Ruthenium Fragment and a Cobalt-Carbon Cluster Core

Paul J. Low, Roger Rousseau, Pikka Lam, Konstantin A. Udachin, Gary D. Enright, John S. Tse, Danial D.M. Wayner, Arthur J. Carty

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Abstract

The preparation, characterization, and electrochemical response of the complexes Co2(μ-Me3SiC≡CC2C≡CSiMe 3)(CO)4(dppm) (2) and Co2(μ-Me3SiC2C≡CC≡CSiMe 3)(CO)4(dppm) (3) are described. Metalation of one of the pendant alkynyl groups in each complex has been achieved, yielding Co2{μ-Me3SiC≡CC2C≡C[Ru(PPh 3)2Cp]}(CO)4(dppm) (4) and Co2{μ-Me3-SiC2C≡CC≡C[Ru(PPh 3)2Cp]}(CO)4(dppm) (5). The spectral and electrochemical properties of the heterometallic complexes indicate a significant electronic interaction between the mononuclear fragment and the metallocarbon cluster core. The electronic structure of these compounds has been modeled using DFT, ZINDO, and ELF calculations, and an explanation of the nature of the electronic interaction between the heterometallic fragments is presented.

Original languageEnglish
Pages (from-to)3885-3897
Number of pages13
JournalOrganometallics
Volume18
Issue number19
DOIs
Publication statusPublished - Sep 13 1999

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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    Low, P. J., Rousseau, R., Lam, P., Udachin, K. A., Enright, G. D., Tse, J. S., Wayner, D. D. M., & Carty, A. J. (1999). Polycarbon Ligand Chemistry: Electronic Interactions between a Mononuclear Ruthenium Fragment and a Cobalt-Carbon Cluster Core. Organometallics, 18(19), 3885-3897. https://doi.org/10.1021/om990290w