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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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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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Authors and Affiliations

  1. Department of Chemistry, Nankai University, Tianjin, 300071, PR China

    Yuan-Fang Wang, Rong-Fang Li, Qing-Lun Wang, Li-Hua Yu & Dai-Zheng Liao

  2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130023, PR China

    Guang-ming Yang

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  1. Yuan-Fang Wang
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  2. Rong-Fang Li
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  3. Qing-Lun Wang
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  4. Li-Hua Yu
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  5. Guang-ming Yang
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  6. Dai-Zheng Liao
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Wang, YF., Li, RF., Wang, QL. et al. 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. Transition Metal Chemistry 29, 728–731 (2004). https://doi.org/10.1007/s11243-004-0839-7

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  • DOI: https://doi.org/10.1007/s11243-004-0839-7

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