Issue 24, 2011

Hexameric polyoxometalates decorated by six 3d–4f heterometallic clusters

Abstract

Two nanosized hexameric polyoxometalate-based solid state assemblies (H2en)6Na15K9[Dy6Fe6(H2O)12(SiW10O38)6]·34H2O (1) and K13Na17[H2en]3[Tb6Fe6(H2O)12(SiW10O38)6]·40H2O (2) (en = 1,2-ethylenediamine), decorated by six [Ln-(μ3-O)3-Fe] 3d–4f heterometallic clusters, have been synthesized by the hydrothermal method, and characterized by IR, element analysis, magnetic studies and the single-crystal X-ray analyses. The detailed study of the synthetic conditions reveals that the use of the organic ligands, pH value and the reaction temperature all play important roles in the synthesis of the 3d–4f heterometallic POMs. Magnetic study suggests the presence of antiferromagnetic interactions in these two compounds.

Graphical abstract: Hexameric polyoxometalates decorated by six 3d–4f heterometallic clusters

Supplementary files

Article information

Article type
Paper
Submitted
23 Jan 2011
Accepted
12 Apr 2011
First published
19 May 2011

Dalton Trans., 2011,40, 6475-6479

Hexameric polyoxometalates decorated by six 3d–4f heterometallic clusters

Z. Zhang, Y. Li, S. Yao and E. Wang, Dalton Trans., 2011, 40, 6475 DOI: 10.1039/C1DT10133A

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