基于5-甲氧基间苯二甲酸构筑的两个金属配位聚合物:晶体结构、荧光和催化性质
Construction of Two Coordination Polymers Based on 5-Methoxyisophthalic Acid Ligand: Structures, Luminescence and Catalytic Properties
作者单位E-mail
张阳 广东石油化工学院化学工程学院, 茂名 525000 yangzhang79@126.com 
王键 广东石油化工学院化学工程学院, 茂名 525000  
摘要: 以5-甲氧基间苯二甲酸(CH3O-H2ip),2,2'-二甲基-4,4'-联吡啶(dmbpy)和四水硝酸镉/六水硝酸钴为原料,在混合溶剂中合成2个一维金属有机配位聚合物,{[Cd2(CH3O-ip)2(ethanol)2(H2O)4]·3H2O}n1)和{[Co2(CH3O-ip)2(dmbpy)(H2O)4]·H2O·C2H3N}n2)(C2H3N=乙腈)。通过元素分析、红外光谱、差热分析、X射线粉末衍射和X射线单晶衍射等手段对配合物进行了结构表征。结果显示,化合物1为一维浪形结构,通过O-H…O分子间氢键作用构筑成二维结构;而2为一维梯形结构,通过O-H…O,O-H…N和C-H…O分子间氢键作用构筑成三维结构。常温固态下,考察了配合物1的荧光性质,并考查了化合物12对甲基橙的催化降解活性。
关键词: 配位聚合物  过渡金属  晶体结构  氢键  荧光性质  催化性质
基金项目: 
Abstract: Two new 1D cadmium/cobalt-based coordination polymers, {[Cd2(CH3O-ip)2(ethanol)2(H2O)4]·3H2O}n (1) and {[Co2(CH3O-ip)2(dmbpy)(H2O)4]·H2O·C2H3N}n (2) (CH3O-H2ip=5-methoxyisophthalic acid, dmbpy=2,2'-dimethyl -4,4'-bipyridine, C2H3N=acetonitrile), were synthesized in mixed solvent and characterized by IR spectroscopy, elemental analysis, thermogravimetric analysis (TGA), powder X-ray diffraction and single-crystal X-ray diffraction. Both complexes are synthesized using dual linkers (CH3O-H2ip and dmbpy). Complex 1 is a wave-like chain and further connected into 2D network through O-H…O hydrogen bonds, whereas 2 shows a ladder chain and further linked into 3D supramolecular framework by O-H…O, O-H…N and C-H…O hydrogen bonds. Furthermore, the luminescence property of 1 and the catalytic degradation of methyl orange in a Fenton-like process of 1~2 are also investigated.
Keywords: coordination polymers  transition metals  crystal structure  hydrogen bonds  luminescent property  catalytic property
投稿时间:2017-10-11 修订日期:2017-11-20
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张阳,王键.基于5-甲氧基间苯二甲酸构筑的两个金属配位聚合物:晶体结构、荧光和催化性质[J].无机化学学报,2018,34(3):589-596.
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