Issue 9, 2015

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
20 ⵎⴰⵢ 2015
Accepted
19 ⵢⵓⵏ 2015
First published
24 ⵢⵓⵏ 2015

Inorg. Chem. Front., 2015,2, 827-836

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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