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Synthesis,structure and properties of a 3D Cd(Ⅱ)MOF based onN-heterocyclic and carboxylic acid ligands(PDF)


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Synthesis,structure and properties of a 3D Cd(Ⅱ)MOF based onN-heterocyclic and carboxylic acid ligands
Tang JingYang YiXu MenggeQiao ZiyangYu SijiHuang Qiuying
Department of Chemical Engineering,Henan Polytechnic Institute,Nanyang 473009,China
Cd(Ⅱ)-metal-organic framework structure analysis thermogravimetric behavior fluorescence characteristics
Hydrothermal reaction of CdCl2·2.5H2O with flexible benzimidazole derivative 2-(1H-imidazol-1-methyl)-6-methyl-1H-benzimidazole(immb)and aromatic polycarboxylic ligand 1,4-benzenedicarboxylic acid(H2bdic)result in a new metal-organic framework(MOF)[Cd(bdic)(immb)]n(1). The results of X-ray crystallographic analysis reveal that this MOF crystallizes in the monoclinic space group C2/c. Cd(Ⅱ)ions are linked by immb and bdic2- ligands leading to a 3D structure with the topological notation of(42·63·8). The IR spectrum and thermogravimetric curve are consistent with the results of the X-ray crystal structure analysis. In addition,the powder of the MOF exhibits good fluorescence at room temperature.


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Last Update: 2019-09-30