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Type: Artigo de periódico
Title: Electronic Interactions In [ru3(μ3-r2 Ccc6h4-4-r1)(μ-dppm) (μ-co)(co)7] (r1 = No2 And R2 = Fc; R1 = No2, Cn And R2 = Ph)
Author: Rosseto R.
Torres J.C.
Stein E.
Vargas M.D.
Abstract: The co-ordination of FcCCC6H4-4-NO2 (1) to a ruthenium carbonyl cluster to yield [Ru3(μ3-FcCCC6H 4-4-NO2)(μ-dppm)(μ-CO))r(CO)7] (2) is reported. The cyclic voltammograms of these compounds and of the analogous clusters [Ru3(μ3-η2-C 6H5CCC6H4-4-R) (μ-dppm)(μ-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 Ru3 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.
Rights: aberto
Identifier DOI: 
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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