Three interpenetrated copper(Ⅱ) coordination polymers based on a V-shaped ligand:Synthesis,structures,sorption and magnetic properties

查看全文 作　　者：ZHANG [1]XiaoFeng;YANG [1]Qian;ZHAO [1]JiongPeng;HU Tong-[1]Liang;CHANG [1]Ze;BU Xian-[1]He

机构地区：[1]Tianjin Key Laboratory of Metal & Molecule-based Material Chemistry,Department of Chemistry,Nankai University,Tianjin 300071,China

出　　处：《Science China Chemistry》索引2011年第54卷第9期,共8页

基　　金：supported by the National Basic Research Program of China(2007CB815305);the National Natural Science Foundation of China(21031002,51073079 & 20801029);the Natural Science Foundation of Tianjin,China(10JCZDJC22100) 摘　　要：Three new CuⅡ coordination polymers,[Cu2(oba)2(H2O)(DMF)].3H2O(1),[Cu4(oba)4(DMF)4].4H2O.DMF(2) and [Cu2(oba)(hmp)2](3)(H2oba = 4,4'-oxybis(benzoic acid),Hhmp = 2-pyridine methanol,DMF = N,N'-dimethylformamide) were synthesized by solvothermal reactions and characterized by single-crystal X-ray diffraction.Both complexes 1 and 2 take three-dimensional(3D) three-fold interpenetrating PtS topology with 1D channels.In complex 3,Cu4 clusters were formed by the chelating hmp ligands,and then the clusters were further linked by oba ligands to form a 3D three-fold interpenetrating dia topology network.For 2,N2 sorption shows type I isotherm with BET surface areas of 562 m2 g-1 and Langmuir surface area of 747 m2 g-1,respectively.At 77 and 87 K,the hydrogen uptakes of complex 2 are 0.89 wt% and 0.57 wt%,respectively.Magnetic investigation showed the ferromagnetic coupling between CuII ions and very weak antiferromagnetic interaction between Cu4 clusters in complex 3. 关键词：铜配位聚合物吸附量配体磁学性质合成二甲基甲酰胺 LANGMUIR 反铁磁相互作用

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Three interpenetrated copper(Ⅱ) coordination polymers based on a V-shaped ligand:Synthesis,structures,sorption and magnetic properties

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