Cyanide-bridged one-dimensional bimetallic complexes based on a tridentate copper(II) building block: synthesis,crystal structures and magnetic properties |
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| Authors: | Shu-Tao Li Chong-Chao Zhao Ai-Li Cui Hui-Zhong Kou |
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| Institution: | 1. Department of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
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| Abstract: | The reactions of MIII(CN)6]3? (M = Cr or Co) with CuII complexes of a tridentate schiff base Cu(aemp)Cl] or Cu(aemp)Ac]2 (Haemp = 2-(2-amino-ethylimino)-methyl]-phenol) give rise to 1D cyanide-bridged bimetallic coordination polymers Cu4(aemp)4(H2O)2]Cr(CN)6]Cl (1) and Cu3(aemp)3(H2O)]Co(CN)6]·2H2O·MeOH (2). In complex 1, the six cyanide ligands of the Cr(CN)6]3? moiety are involved in bridging, while in complex 2 only five cyanide ligands act as bridges to give a neutral chain. Magnetic studies reveal that complex 1 exhibits intermetallic ferromagnetic coupling, with J = 8.2 cm?1. |
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