两例Ni(Ⅱ)/Cu(Ⅱ)配位聚合物的合成、晶体结构及热稳定性研究  

Synthesis, Crystal Structures and Thermal Stability of Two Ni(Ⅱ)/Cu(Ⅱ) Coordination Polymer

作　　者：赵娟 刘美玲 葛红光 ZHAO Juan;LIU Meiling;GE Hongguang(Shaanxi Key Laboratory of Catalysis,College of Chemistry&Environmental Science,Shaanxi University of Technology,Hanzhong 723001,China)

机构地区：[1]陕西理工大学化学与环境科学学院,陕西省催化基础与应用重点实验室,汉中723001

出　　处：《人工晶体学报》2020年第7期1252-1257,1271,共7页Journal of Synthetic Crystals

基　　金：国家自然科学基金(21373132);陕西理工大学合成气催化转化研究团队资金;陕西省教育厅重点项目(18JS023);陕西省科技厅面上项目(2019JM471)。

摘　　要：在溶剂热的条件下,合成了两例金属-有机配位聚合物:{[Ni(H2O)2(1,3-BIP)2]·TFBDC}n(1)和{[Cu3(H2O)4(1,3-BIP)6]·(BTC)2·(H2O)15}n(2)(1,3-BIP为1,3-二(咪唑)丙烷,H2TFBDC为2,3,5,6-四氟对苯二甲酸和H3BTC为1,3,5-均苯三酸),并利用红外光谱、元素分析和X-射线单晶衍射等技术手段对其结构进行了表征。X-射线单晶衍射结果表明配位聚合物1呈现一维环形链构型,并通过分子间氢键作用进一步连接形成三维超分子网络结构。配位聚合物2呈现出(4,4)拓扑的二维层状结构。此外,研究了两例配位聚合物的热稳定性能。Two metal coordination polymers, namely {[Ni(H2O)2(1,3-BIP)2]·TFBDC}n(1) and {[Cu3(H2O)4(1,3-BIP)6]·(BTC)2·(H2O)15}n(2)(1,3-BIP is 1,3-bis(imidazole)propane, H2TFBDC is 2,3,5,6-tetrafluoroterephthalic acid and H3BTC is 1,3,5-benzenetricarboxylic acid) were prepared under solvothermal conditions, and characterized by IR spectra, elemental analyses and single crystal X-ray diffraction. The single crystal X-ray diffraction reveals that coordination polymer 1 exhibits a 1 D loop-like chain structure, which are further linked by intermolecular hydrogen bonding to form a 3 D supermolecular architecture. While, coordination polymer 2 exhibits a 2 D layer with(4,4) topology. Furthermore, the stability property of coordination polymers 1 and 2 were also investigated.

关 键 词：镍配位聚合物 铜配位聚合物 环形链 X-射线单晶衍射 热稳定性 溶剂热 

分 类 号：O641.4[理学—物理化学]