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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleA nitric oxide releaser based on the mu-oxo-hexaacetate-bis(4-methylpyridine)triruthenium nitrosyl complexpt_BR
dc.contributor.authorToma, HEpt_BR
dc.contributor.authorAlexiou, ADPpt_BR
dc.contributor.authorFormiga, ALBpt_BR
dc.contributor.authorNakamura, Mpt_BR
dc.contributor.authorDovidauskas, Spt_BR
dc.contributor.authorEberlin, MNpt_BR
dc.contributor.authorTomazela, DMpt_BR
unicamp.authorUniv Sao Paulo, Inst Quim, BR-05513970 Sao Paulo, Brazil UNICAMP, Univ Estadual Campinas, Inst Quim, Campinas, Brazilpt_BR
dc.subjectoxo-ruthenium clusterspt_BR
dc.subjectruthenium acetate clusterspt_BR
dc.subjecttrinuclear ruthenium clusterspt_BR
dc.subjectnitric oxidept_BR
dc.subjectnitrosyl complexespt_BR
dc.subject.wosMu(3)-oxo-triruthenium Acetate Clusterspt_BR
dc.subject.wosCentered Triruthenium Complexespt_BR
dc.subject.wosElectrospray Mass-spectrometrypt_BR
dc.subject.wosN-heterocyclic Ligandspt_BR
dc.subject.wosC-13 Nmr-spectrapt_BR
dc.subject.wosRuthenium Complexespt_BR
dc.subject.wosReversible Multisteppt_BR
dc.subject.wosPolypyridyl Ligandspt_BR
dc.subject.wosRedox Potentialspt_BR
dc.description.abstractThe properties of the trinuclear cluster [RU3OAc6(Pic)(2)(NO)]PF6 (Pic = 4-methyl pyridine, Ac = acetate ion) and the photochemical behavior of the corresponding molecular films are reported in this paper. In this compound, the unpaired pi(*) electron from NO and the unpaired electron from the pi-orbitals of the Ru3O unity are strongly coupled; as a consequence, the changes in electronic distribution associated with the several successive redox states promote dramatic effects in the spectroscopic and electrochemical properties of the nitric oxide ligand and the entire complex. NO release has been observed by light irradiation (phi = 0.038 at 365 nm and phi = 0.019 at 468 nm, in acetonitrile solution), changing the original violet color into deep blue. The same behavior has been observed in solid state and in PVA films incorporating this compound, revealing its potential usefulness as NO photoreleaser, as well as for the monitoration of light exposure intensities. (c) 2004 Elsevier B.V. All rights
dc.relation.ispartofInorganica Chimica Actapt_BR
dc.relation.ispartofabbreviationInorg. Chim. Actapt_BR
dc.publisherElsevier Science Sapt_BR
dc.identifier.citationInorganica Chimica Acta. Elsevier Science Sa, v. 358, n. 10, n. 2891, n. 2899, 2005.pt_BR
dc.sourceWeb of Sciencept_BR
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