Articles written in Journal of Chemical Sciences
Volume 108 Issue 5 October 1996 pp 495-503 Physical And Theoretical
Molecular orbital calculations (EHMO) have been performed on five ruthenium carbonyl clusters considered to be involved in the reductive carbonylation of nitrobenzene. The bonding in the isocyanate cluster, [HRu3(CO)9(HNCO)]−, is shown to arise mainly from the interaction between the LUMO of HNCO and HOMO of the [HRu3(CO)9]− fragment. The relative stabilities of this cluster, two of its isomers and the CO-eliminated cluster [HRu3(CO)9(HN)]−, are also commented upon. The calculated results are in accordance with empirical kinetic data.
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