Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/10514
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dc.contributor.authorRamasamy, Ravichandran-
dc.contributor.authorFreitas, Duarte Mota de-
dc.contributor.authorGeraldes, Carlos F. G. C.-
dc.contributor.authorPeters, Joop A.-
dc.date.accessioned2009-07-07T08:39:31Z-
dc.date.available2009-07-07T08:39:31Z-
dc.date.issued1991-08-
dc.identifier.citationInorganic Chemistry. 30:16 (1991) 3188-3191en_US
dc.identifier.issn0020-1669-
dc.identifier.urihttp://hdl.handle.net/10316/10514-
dc.description.abstractThe paramagnetic ion-induced relaxation rate enhancements of 6Li in adducts of Li+ and Ln(PPP)J- complexes (Ln = Dy, Tm) in aqueous solution show that up to seven monovalent counterions can coordinate in the second coordination sphere of the Ln(II1) ion to the outer oxygens of the triphosphate ligands. However, the pseudocontact ’Li NMR shift data suggest that in the second coordination sphere some preference of the counterions for the axial region opposite the water ligand may exist. The estimated Ln3+-Li+ distances range from 5.1 to 5.9 A for [Li+]/[Ln(PPP)J-] ratios of 0.2-7. This is supported by a two-dimensional nutation spectrum of a polycrystalline sample of Na,La(PPP),, which indicates coordination of all Na+ ions to phosphate oxygens.en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsopenAccesseng
dc.titleMultinuclear NMR study of the interaction of the shift reagent lanthanide(III) bis(triphosphate) with alkali-metal ions in aqueous solution and in the solid stateen_US
dc.typearticleen_US
dc.identifier.doi10.1021/ic00016a016-
uc.controloAutoridadeSim-
item.fulltextCom Texto completo-
item.languageiso639-1en-
item.grantfulltextopen-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.orcid0000-0002-0837-8329-
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais
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