Abstract
Two new hetero-metallic complexes [LnNa2(L)2(bta)(CH3OH)]∙nH2O∙mCH3OH (Ln=Dy (1), n=1, m=0; Er (2), n=0, m=1) supported by rigid hexadentate salen-type (H2L=N,N′-bis(2-oxy-3-methoxybenzylidene)-1,2-phenylenediamine) and β-diketonate (bta=benzoyltrifluoroacetone) ligands have been designed and synthesized. Structural analysis reveals that the Ln3+ ion has a typical double-decker sandwich structure with a distorted bicapped triangular prism. The magnetic analysis unveils that both complexes 1 and 2 are of single molecule magnet behavior, and both of them can be regarded as rare SMMs based on the salen-type ligand with a double-decker structure.
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