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Type: Artigo de periódico
Title: Electronic interactions in [Ru-3(mu(3)-(RCCC6H4)-C-2-4-R-1)(mu-dppm)(mu-CO)(CO)(7)] (R-1 = NO2 and R-2 = Fc; R-1 = NO2, CN and R-2 = Ph)
Author: Rosseto, R
Torres, JC
Stein, E
Vargas, MD
Abstract: The co-ordination of FcCCC(6)H(4)-4-NO2 (1) to a ruthenium carbonyl cluster to yield [Ru-3(mu(3)-FcCCC(6)H(4)-4-NO2)(mu-dppm)(mu-CO)(CO)(7)] (2) is reported. The cyclic voltammograms of these compounds and of the analogous clusters [Ru-3(mu(3)-eta(2)-C6H5CCC6H4-4-R)(mu-dppm)(mu-CO)(CO)(7)] (R= H, 3; CN, 4; NO2, 5) allowed an evaluation of the electronic communications between the different redox sites (ferrocenyl and -NO2 groups, and Ru-3 moiety) and an analysis of the relative electron donor-acceptor capabilities of each of the three redox centres that compose 2. Furthermore, the inertness of 2, compared with clusters 3-5 which loose CO readily was attributed to the interaction between the ferrocenyl group and the metallic frame.
Subject: ruthenium cluster
cyclic voltammetry
Country: Brasil
Editor: Soc Brasileira Quimica
Citation: Journal Of The Brazilian Chemical Society. Soc Brasileira Quimica, v. 14, n. 1, n. 7, n. 10, 2003.
Rights: aberto
Identifier DOI: 10.1590/S0103-50532003000100002
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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