Synthesis,crystal structure and physicochemical properties of copper(II) complexes containing bis[(benzimidazol-2-yl)methyl] ether derivatives |
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Authors: | Liu Jiacheng Song Zhigang Wang Liufang Zhuang Jinzhong You Xiaozeng Huang Xiaoying |
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Affiliation: | (1) National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P.R. China;(2) Co-ordination Chemistry Institute, Nanjing University, Nanjing, 210093, P.R. China;(3) State Key Laboratory of Structural Chemistry, Fujian Institute of Research on Structure Mater, Chinese Academy of Science, Fuzhou, Fujian, 350002, P.R. China |
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Abstract: | A new benzimidazoyl ligand bis[(N-ethylbenzimidazol-2-yl)methyl]ether (EDGB) and CuII complexes [Cu(L1) (L2)](ClO4)·mEt2O·nH2O [L1 = bis[(benzimidazol-2-yl)methyl]ether (DGB) or EDGB, L2 = 2,2 -bipyridine (bipy) or 1,10-phenanthroline (phen)] have been synthesized and characterized by elemental analyses and i.r. spectra. The single-crystal structure of the [Cu(phen)(DGB)(OClO3)]ClO4·Et2O·0.5H2O complex was determined by X-ray diffraction. The geometry around Cu is best described as a distorted octahedron with four nitrogen atoms from phen and DGB ligands forming the equatorial plane. The oxygen atoms of DGB and one perchlorate group are in the axial positions with semi-coordinated bonding modes. The electrochemical behavior of the complexes is described. |
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