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Single ion magnets based on lanthanoid polyoxomolybdate complexes.
Dalton Trans ; 45(42): 16653-16660, 2016 Oct 25.
Artigo em Inglês | MEDLINE | ID: mdl-27778004
ABSTRACT
Polyoxometalate (POM) chemistry has recently offered excellent examples of single ion magnets (SIMs) and molecular spin qubits. Compared with conventional coordination compounds, POMs provide rigid and highly symmetric coordination sites. However, all POM-based SIMs reported to date exhibit a very limited range of possibilities for chemical processability. We present herein two new families of POM-based SIMs which are soluble in organic solvents [Ln(ß-Mo8O26)2]5- {LnIII = Tb, Dy, Ho, Er, Tm and Yb} and the functionalised POMs [Ln{Mo5O13(OMe)4NNC6H4-p-NO2}2]3- {LnIII = Tb, Dy, Ho, Er, Yb and Nd}. In addition, these two families represent the first SIMs based on polyoxomolybdates. A magneto-structural analysis of these families is presented, which is based on an effective crystal field model, and compared with the results reported in analogous lanthanoid SIMs based on polyoxotungstates.

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Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Dalton Trans Assunto da revista: Química Ano de publicação: 2016 Tipo de documento: Artigo