Synthesis,crystal structure and physicochemical properties of copper(II) complexes containing bis[(benzimidazol-2-yl)methyl] ether derivatives期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Synthesis,crystal structure and physicochemical properties of copper(II) complexes containing bis[(benzimidazol-2-yl)methyl] ether derivatives

Authors:	Liu Jiacheng Song Zhigang Wang Liufang Zhuang Jinzhong You Xiaozeng Huang Xiaoying

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

Abstract:	A new benzimidazoyl ligand bis[(N-ethylbenzimidazol-2-yl)methyl]ether (EDGB) and Cu^II 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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