| Cobalt(Ⅱ) and Cadimium(Ⅱ) Metal-organic Frameworks Supported by a Multicarboxylate Ligand |
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| 引用本文： | 杨华,崔华莉,王记江,陈小莉.Cobalt(Ⅱ) and Cadimium(Ⅱ) Metal-organic Frameworks Supported by a Multicarboxylate Ligand[J].结构化学,2019,38(7). |
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| 作者姓名： | 杨华 崔华莉 王记江 陈小莉 |
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| 基金项目： | the National Natural Science Foundation of China;the Natural Science Foundation of Shaanxi Province |
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| 摘 要： | Two metal-organic frameworks(MOFs) of formulae Co_7(L)_3(4,4?-BPy)_2(OH)_2(H_2O)_6]·-4 H_2O(1) and Cd_2(L)(2,2?-BPy)2]n(2, H_4L = 5-(3,5-dicarboxybenzyloxy)-isophthalic acid,2,2?-BPy = 2,2?-bipyridine, 4,4?-BPy = 4,4?-bipyridine) were synthesized under solvothermal conditions. The structures of 1 and 2 were characterized by X-ray single-crystal diffraction analysis.In complex 1, six cobalt atoms were connected by oxygen atoms to form a defect dicubane structure. The defect dicubane structures were further linked by Co(4,4?-BPy) units to generate a3-D network structure. Compound 2 displays a 2-D chain structure. The photoluminescent property of complex 2 is investigated. The results show the exclusive luminescence emission bands being originated from intraligand π-π* transitions.
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