Palladium(II) and platinum(II) complexes of 2-hydroxy acetophenone N(4)-ethylthiosemicarbazone - crystal structure and description of bonding properties

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dc.contributor.authorPapathanasis, L.en
dc.contributor.authorDemertzis, M. A.en
dc.contributor.authorYadav, P. N.en
dc.contributor.authorKovala-Demertzi, D.en
dc.contributor.authorPrentjas, C.en
dc.contributor.authorCastineiras, A.en
dc.contributor.authorSkoulika, S.en
dc.contributor.authorWest, D. X.en
dc.date.accessioned2015-11-24T16:43:53Z
dc.date.available2015-11-24T16:43:53Z
dc.identifier.issn0020-1693-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/8750
dc.rightsDefault Licence-
dc.subjectpalladium(ii)en
dc.subjectplatinum(ii)en
dc.subjectthiosemicarbazoneen
dc.subjectcrystal structuresen
dc.subjectspectroscopyen
dc.subjectprotonation constantsen
dc.subject2-hydroxyacetophenone n-4-substituted thiosemicarbazonesen
dc.subjectcopper(ii) complexesen
dc.subjecttripalladium complexen
dc.subjectligandsen
dc.subjectadductsen
dc.titlePalladium(II) and platinum(II) complexes of 2-hydroxy acetophenone N(4)-ethylthiosemicarbazone - crystal structure and description of bonding propertiesen
heal.abstractReaction of H2PtCl4 and K2PdCl4 with 2-hydroxyacetophenone N(4)-ethylthiosenticarbazone, H(2)Ap4Et, afforded [Pt(Ap4Et)(H(2)Ap4Et)] and [Pd(Ap4Et)(H(2)Ap4Et)]. Their crystal and molecular structures are reported and represent the first 1:2 thiosemicarbazone complexes with ligands having both different formal charge and denticity. The dianion, Ap4Et(2-), coordinates in a planar conformation to palladium(II) or platinum(II) via the phenolato 0, imine N and thiolato S atoms, while the neutral molecule exhibits monodentate coordination by the thione S atom. Intra-, intermolecular hydrogen bonds and C-H... pi contacts lead to aggregation and a supramolecular assembly. Electronic, IR, and NMR spectral data, as well as electrochemical measurements, are included. The pK(a) values of the poorly water soluble H2Ap4Et were obtained spectrophotometrically in aqueous solutions of constant ionic strength. (C) 2004 Elsevier B.V. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.ica.2004.06.048-
heal.identifier.secondary<Go to ISI>://000225452100008-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0020169304003202/1-s2.0-S0020169304003202-main.pdf?_tid=4f96ef7702e2033eb93afc8c8d474399&acdnat=1333028884_a18eacc865e13209876a7e31c5952020-
heal.journalNameInorganica Chimica Actaen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2004-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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