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Issue 9, 2015
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Azacyclo-auxiliary ligand-tuned SMMs of dibenzoylmethane Dy(iii) complexes

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Abstract

A series of four β-diketone mononuclear dysprosium complexes, namely, Dy(DBM)3(bpy) (1), Dy(DBM)3(phen)·Tol (2), Dy(DBM)3(dpq)·Tol (3), and Dy(DBM)3(dppz) (4) (bpy = 2,2′-bipyridine, phen = 1,10-phenanthroline, dpq = dipyrazine[2,3-f:2′,3′-h]quinoxaline, dppz = dipyrido[3,2-a:2′,3′-c]phenazine, Tol = toluene) have been isolated by the reactions of dibenzoylmethane (DBM), azacyclo-auxiliary ligands and DyCl3·6H2O. X-ray crystallographic analysis reveals that complexes 1–4 are all eight-coordinate mononuclear structures. The azacyclo-auxiliary ligands have a dramatic effect on the structure and magnetic characteristics of complexes 1–4, originating from the different degrees of deviation from the ideal coordination symmetries. Complexes 1 and 2 display a single relaxation mode under 0 Oe and complexes 3 and 4 display two single relaxation modes under 2000 Oe.

Graphical abstract: Azacyclo-auxiliary ligand-tuned SMMs of dibenzoylmethane Dy(iii) complexes

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Supplementary files

Article information


Submitted
20 May 2015
Accepted
19 Jun 2015
First published
24 Jun 2015

Inorg. Chem. Front., 2015,2, 827-836
Article type
Research Article

Azacyclo-auxiliary ligand-tuned SMMs of dibenzoylmethane Dy(III) complexes

Y. Dong, P. Yan, X. Zou and G. Li, Inorg. Chem. Front., 2015, 2, 827
DOI: 10.1039/C5QI00079C

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