Crystal of catena-(μ2-terephthalato)-bis (N-methylimidazole)-copper(II) |
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| Authors: | Fa Qian Liu Fang Fang Jian Guang Ye Liu Lu De Lu Xu Jie Yang Xin Wang |
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| Institution: | (1) Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanjing, People's Republic of China;(2) New Materials and Function Coordination Chemistry Laboratory, Qingdao University of Science and Technology, Qingdao, People's Republic of China |
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| Abstract: | A new one-dimensional chain complex Cu(ta) (N-MeIm)2]n (where ta = terephthalic acid dianion,N-MeIm =N-methylimidazole) has been synthesized and structurally characterized by single-crystal X-ray diffraction. The compound crystallizes in the Monoclinic space groupP21/c with the parameters:a = 5.2930(11)Å,b = 14.679(3)Å,c = 11.007(3)Å, β = 104.84(3)°,V = 826.7(3)Å3, withZ = 4 formula units. In the structure, each Cu atom is coordinated by a pair ofN-methylimidazole ligands and a pair of monodentate carboxylate groups, affording a square planar N2O2 geometry. Both carboxylate groups of the terephthalate dianion coordinate in a monodentate mode bridging two Cu(II) ions with formation of 1D zigzag chain along thec axis. This supramolecular compound exhibits a three-dimensional solid state structure constituted by hydrogen bonds and C–H–π stacking interactions. |
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| Keywords: | Cu(II) complexes terephthalate compounds Cu(II) carboxylates crystal structures |
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