Lanthanide Complexes (Ln=La, Nd, Dy) of Octaethyl propane-1,1,3,3-tetrayltetrakis(phosphonate): Multidentate Binding Competing with Monodentate DMSO Complexes

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dc.date.accessioned2023-03-15T09:08:17Z
dc.date.available2023-03-15T09:08:17Z
dc.date.issued2022-12-09
dc.description.sponsorshipGefördert im Rahmen des Projekts DEAL
dc.identifierdoi:10.17170/kobra-202303157634
dc.identifier.urihttp://hdl.handle.net/123456789/14493
dc.language.isoeng
dc.relation.doidoi:10.1002/zaac.202200344
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subject.ddc540
dc.subject.swdLanthanoidkomplexeger
dc.subject.swdDimethylsulfoxidger
dc.subject.swdBasizitätger
dc.subject.swdQuantenausbeuteger
dc.titleLanthanide Complexes (Ln=La, Nd, Dy) of Octaethyl propane-1,1,3,3-tetrayltetrakis(phosphonate): Multidentate Binding Competing with Monodentate DMSO Complexeseng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractThe preparation of lanthanide nitrate complexes [Ln(NO₃)₃{L}]ₙ (Ln³+=La, Nd, Dy) supported by the octaethyl propane-1,1,3,3-tetrayltetrakis(phosphonate) (L) chelate ligand platform is presented. Re-crystallization of these compounds from DMSO/THF led to a complete replacement of the multidentate phosphonate ester ligand and the formation of exclusively DMSO-supported lanthanide nitrate species [Ln(NO₃)₃(DMSO)₄]. The relative basicity of a model phosphonate ester vs. DMSO is explored with theoretical means, pointing out the relevance of solvation in this case in line with the experimentally observed exchange process. The optical properties of the dysprosium(III) derivatives are examined in the visible region indicating a significantly higher quantum yield for its tetraphosphonic ester complex than for the DMSO coordinated analog.eng
dcterms.accessRightsopen access
dcterms.creatorKoehne, Ingo
dcterms.creatorPietschnig, Rudolf
dcterms.source.articlenumbere202200344
dcterms.source.identifiereissn:1521-3749
dcterms.source.issueIssue 5
dcterms.source.journalZeitschrift für anorganische und allgemeine Chemie : ZAAC = Journal of inorganic and general chemistryger
dcterms.source.volumeVolume 649
kup.iskupfalse

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