Synthesis, structure and properties of two bimetallic compounds [Co(bpy)2 (NiL)] (ClO4)2 and {[Co(phen)3](NiL)}(ClO4)2 containing a macrocyclic oxamide ligand |
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| Authors: | Yuan-Fang Wang Rong-Fang Li Qing-Lun Wang Li-Hua Yu Guang-ming Yang Dai-Zheng Liao |
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| Affiliation: | (1) Department of Chemistry, Nankai University, Tianjin, 300071, PR China;(2) State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130023, PR China |
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| Abstract: | Two compounds, [Co(bpy)2(NiL)](ClO4)2(1)and {[Co(phen)3](NiL)}(ClO4)2(2), have been synthesized: (H2L=2,3-dioxo-5,6,14,15-dibenzo-1,4,8,12-tetraazacylotetradeca-7,12-diene, bpy=2,2 -bypyridine and phen = 1,10-phenanthroline). Compound (1) contains a discrete binuclear [Co(bpy)2(NiL)]2+ cation, while compound (2) is composed of [Co(phen)3]2+ cations and NiL neutral fragments. The magnetic properties of compound (1) have been dealt with by isotropic one-ion approximation of the CoII ion with a spin--orbit coupling in an Oh symmetry environment. The electronic spectra of these two compounds have also been discussed. |
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