Magnetic coupling in EE and EO azido-bridged binuclear copper complexes: Synthesis, structure and magnetic studies

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Authors	BANERJEE Ishita MAREK Jaromír HERCHEL Radovan ALI Mahammad
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Polyhedron
MU Faculty or unit	Faculty of Science
Citation
web	http://dx.doi.org/10.1016/j.poly.2009.12.023
Field	Inorganic chemistry
Keywords	EE and EO bridging; Synthesis; Crystal structures; Ferro and antiferromagnetic coupling
Description	Four azide bridged dinuclear copper(II) complexes have been synthesized, out of which complexes 1 and 2 have been characterized structurally. In Complex 1 the two bridging azide ligands have connected the two metal centers in an end-on (EO) fashion with aSP (asymmetric Square Pyramidal) geometry and showed an weak antiferromagnetic interaction. On the contrary, in complex 2, the two metal centers have been connected in end-to-end (EE) fashion exhibiting moderately strong ferromagnetic interaction. Cyclic voltammetric studies performed on all the four complexes show a reasonably good correlations.
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