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双硝基萘二甲酸锰配合物的合成及其氢键结构

Synthesis and Three-Dimensional Hydrogen-Bonded Structure of A New Manganes Coordination Compound with Dinitronaphthalenedicarboxylate

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【作者】 田华贾钦相

【Author】 Tian Hua;Jia Qinxiang;College of Chemistry and Chemical Engineering,Ningxia University;Department of Chemistry,School of Science,Xi’an Jiaotong University;

【机构】 宁夏大学化学化工学院西安交通大学理学院

【摘要】 将2,6-萘二甲酸(H2NDC)硝化制得1,5-二硝基萘-3,7-二甲酸(H2NNDC),再以H2NNDC为配体,辅以1,2-二吡啶基乙烯(bpe)共配,用液相扩散法合成新颖的锰(Ⅱ)配合物[Mn(bpe)(H2O)4](NNDC)獉2H2O.通过红外光谱、元素分析等方法对该配合物进行结构表征.结果表明,制得的配合物中,Mn2+与bpe、水分子形成单核配阳离子[Mn(bpe)(H2O)4]2+,NNDC2-为外界抗衡离子,bpe分子桥连Mn2+形成线性一维链[Mn(bpe)(H2O)4]n2n+,一维链在配位水分子、溶剂水分子及NNDC2-上未配位羧基氧所形成的多重氢键作用下,形成三维超分子氢键网络.

【Abstract】 2,6-naphthalic acid(H2 NDC)is nitrified to produce 1,5-dinitronaphthalene-3,7-dioctyl phthalate(H2 NNDC),which are synthesized into brand new Manganese(Ⅱ)complex 1 [Mn(bpe)(H2 O)4](NNDC)·2 H2 O with Liquid diffusion method by taking H2 NNDC as ligand and together with 1,2-Dipyridyl ethylene(bpe).The structure of 1 is characterized with methods of infrared and elemental analysis.The result shows that,Mn2+and bpe and water molecule in 1 formed mononuclear cation [Mn(bpe)(H2 O)4]2+,NNDC2-was external counterion,and the bridging of bpe molecule with Mn2+formed linear one-dimensional chain [Mn(bpe)(H2 O)4]2 n+n,which formed three dimensional supramolecular hydrogen bond network under the multiple hydrogen bonds interaction formed by coordination water molecules,solvent water molecules and NNDC2-uncoordinated carboxyl groups.

【基金】 化学学科西部一流重大专项基金资助项目(ZKZD2017003);国家自然科学基金资助项目(20771038);宁夏高等学校科学研究基金资助项目(NGY2016006)
  • 【文献出处】 宁夏大学学报(自然科学版) ,Journal of Ningxia University(Natural Science Edition) , 编辑部邮箱 ,2018年03期
  • 【分类号】O641.4
  • 【下载频次】74
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