Copper complexes of 1-[(2-carboxyethyl)benzene]-3-[2-pyridine]triazene |
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| Authors: | Wei Li Yun-Li Liu Jian Liu Huai-teng Zhang Shu-Zhong Zhan De-Rong Cao |
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| Institution: | (1) College of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou, 510640, China; |
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| Abstract: | The triazenide, 1-(2-carboxyethyl)benzene]-3-2-pyridine]triazene (HL), has been synthesized. In the presence of Et3N, the reaction of HL with Cu(OAc)2·H2O or CuCl2·2H2O gives the tetranuclear copper(II) complexes {Cu4(L)2(μ2-OH)2(OAc)4} 1 and {Cu4L4(μ4-O)Cl2} 2, respectively. The X-ray crystal structures of both complexes have been obtained. Magnetic studies indicate significant antiferromagnetic
coupling between the copper(II) centers for both complexes, with coupling constants (J) of −493.4 cm−1 for 1 and −165 cm−1 for 2. |
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