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Synthesis and structural characterization of a new polymeric zinc(II) complex with thiophene-2-carboxylic acid

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dc.contributor.authorCagnin, F. [UNESP]
dc.contributor.authorCastellano, E. E.
dc.contributor.authorDavolos, Marian Rosaly [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:30:24Z
dc.date.available2014-05-20T15:30:24Z
dc.date.issued2010-01-01
dc.description.abstractA new polymeric zinc(II) complex with thiophene-2-carboxylic acid (-tpc) of composition [Zn2(C20H12O8S4)]n was obtained and structurally characterized by X-ray diffraction, thermal analysis, nuclear magnetic resonance (NMR), and infrared spectroscopies. Upfield shift in the 1H-NMR spectrum is explained by the crystalline structure, which shows the thiophene rings overlapping each other in parallel pairs. The compound crystallizes in the monoclinic system, space group P21/c, with a = 9.7074(4) angstrom, b = 13.5227(3) angstrom, c = 18.9735(7) angstrom, = 95.797(10)degrees, and Z = 4. Three -tpc groups bridge between two Zn(II) ions through oxygens and the fourth one bridges between one of these ions and the third one, symmetry related by a twofold screw axis. This arrangement gives rise to infinite chains along the crystallographic a direction. The metal atoms display an approximate tetrahedral configuration. The complex is insoluble in water, ethanol, and acetone, but soluble in dimethyl sulfoxide.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, Dept Quim Geral & Inorgan, Lab Mat Luminescentes, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUniv São Paulo, Inst Fis São Carlos, BR-13560970 São Carlos, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, Dept Quim Geral & Inorgan, Lab Mat Luminescentes, BR-14800900 Araraquara, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 07/06072-2
dc.format.extent2278-2285
dc.identifierhttp://dx.doi.org/10.1080/00958972.2010.503271
dc.identifier.citationJournal of Coordination Chemistry. Abingdon: Taylor & Francis Ltd, v. 63, n. 13, p. 2278-2285, 2010.
dc.identifier.doi10.1080/00958972.2010.503271
dc.identifier.issn0095-8972
dc.identifier.lattes4284809342546287
dc.identifier.urihttp://hdl.handle.net/11449/39797
dc.identifier.wosWOS:000281220400007
dc.language.isoeng
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofJournal of Coordination Chemistry
dc.relation.ispartofjcr1.703
dc.relation.ispartofsjr0,371
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectPolymeric zinc complexen
dc.subjectThiophene-2-carboxylic aciden
dc.subjectCrystal structureen
dc.subject1H-and 13C-NMRen
dc.titleSynthesis and structural characterization of a new polymeric zinc(II) complex with thiophene-2-carboxylic aciden
dc.typeResumo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderTaylor & Francis Ltd
dspace.entity.typePublication
unesp.author.lattes4284809342546287
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química