Two Zinc(Ⅱ) Complexes Based on 7rany-(1R,2R)-cyclohexanediamine: Molecular Structure Analyses and Preparation of Composite Membrane |
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作者姓名: | WANG Dawei WANG Ying ZHUANG Changfu ZHAO Ping YANG Jing SHI Zhengjun |
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作者单位: | Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China;Key L aboratory of State Forestry Administration on Highly-efficient Utilization of Forestry Biomass Resources in Southwest China |
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基金项目: | the Scientific Research Projects of the Yunnan Provincial Education Department,China;the Application Basic Research Project of Yunnan Science and Technology Department,China;the Research Launch Fund of Southwest Forestry University,China |
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摘 要: | Two novel complexes Zn2(chda)2(TPA)Cl2(1) and [Zn(chda)2(H2O)2](TPAXH2O)2(2)[chda is a chiral ligand of trans-(1R,2R)-cyclohexanediamine, H2TPA is terephthalic acid] were synthesized at room temperature. The molecular structures of complexes 1 and 2 were identified by single-crystal X-ray diffraction measurement. The results showed that complex 1 had a binuclear structure, each Zn(Ⅱ) ion was four coordinated by two N atoms of chda, one O atom of TPA and one Cl atom, to construct a distorted tetrahedral geometry. For complex 2, the Zn(Ⅱ) ion was six coordinated by two chda molecules and two water molecules to form a ZnN4O2 octahedral geometry. Complexes 1 and 2 further extended into three-dimensional supramolecular frameworks by hydrogen-bonding interactions. Hirshfeld surface analysis and fingerprint plots were used to further analyze the contribution of diflerent intermolecular interactions. Further, a composite membrane [Zn(chda)2(H2O)2](TPA)(H2O)2/CA was prepared by adding 10%(mass fraction) of complex 2 into cellulose acetate using acetone/chloroform( V:V-1:1) as solvent.
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关 键 词: | Zinc(Ⅱ) complex Trans-(1R,2R)-cyclohexanediamine Hirshfeld surface analysis COMPOSITE MEMBRANE |
收稿时间: | 2019-05-23 |
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