Two new oxamidato-bridged CuII-CuII complexes: Synthesis, structure, spectra, and cyclic voltammetry studies |
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| Authors: | S Ren F H Li S L Ma |
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| Institution: | 1. Department of Application Chemistry, College of Science, Tianjin University of Commerce, Tianjin, 300134, P.R. China
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| Abstract: | New oxamido-bridged binuclear CuII-CuII complexes, Cu(Oxen)Cu(Bipy)2](ClO4)2 (I) and Cu(Oxen)Cu(4,4??-Bipy)2(H2O)2](ClO4)2 (II) (Oxen is N,N??-bis(2-aminoethyl)oxamide dianion, Bipy = 2,2??-bipyridine, 4,4??-Bipy = 4,4??-bipyridine), have been constructed and structurally characterized by X-ray crystallography. In these two complexes, each Cu2+ ion is located in a slightly distorted square-pyramidal environment. Complex I is extended to two-dimensional by face-to-face ??-??-stacking with a distance of 3.648 II is raised to one-dimensional by face-to-face ??-??-stacking and intermolecular H-bonding interaction with distances of 3.651 and 2.767 I is also investigated. |
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