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

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.

2, 6 -naphthalic acid （H2NDC） is nitrified to produce 1, 5 -dinitronaphthalene 3, 7- dioctyl phthalate （H2NNDC）, which are synthesized into brand new Manganese （II） complex 1 [Mn （bpe） （H2 O）4 ] （NNDC） · 2 H2O 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）（H2O）4]^2＋ ,NNDC2 was external counterion, and the bridging of bpe molecule with Mn2＋ formed linear one dimensional chain [Mn （bpe） （H2O）4]n^2n＋ , 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.