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Title: A Dissymmetric, Singly Phenoxido-bridged CuII Dinuclear Coordination Compound: Synthesis, Characterization, Magnetic and Computational Study
Authors: Datta, Amitabha;Chuang, Nien-Tsu;Liao, Fu-Xing;Hu, Ching-Han;Huang, Wen-Yen;Huang, Jui-Hsien;Das, Kuheli;Gamez, Patrick;Costa, Jos� S�nchez
Contributors: 化學系
Date: 2010-11
Issue Date: 2012-05-03T06:18:20Z
Publisher: Science Reviews 2000 Ltd
Abstract: A singly phenoxido-bridged dinuclear CuII complex, [Cu2(L)2(SCN)2(H2O)], has been obtained from a Schiff-base ligand (2-[{[2-(dimethylamino)ethyl]imino}methyl]-6-methoxyphenol), generated by condensation of o-vanillin with N,N-dimethylethane-1,2-diamine. The Cu(II) complex has been fully characterised by analytical, spectroscopic, magnetic susceptibility and EPR measurements and DFT calculations, as well as single-crystal X-ray diffraction analysis. It consists of two geometrically distinct square-pyramidal and octahedral copper(II) centres, exhibiting N2O3 and N4O2 donor sets. In the dimeric unit, the copper atoms are connected by a μ2-phenolato oxygen atom, belonging to one bridging Schiff-base ligand. Variable-temperature magnetic susceptibility measurements indicate strong antiferromagnetic exchange interactions between the Cu(II) centres, with a 2J value of −89(1) cm−1.
Relation: Journal of Chemical Research, 34(11): 637-640
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