新型配合物[Zn(dib)(H_2O)_3]SO_4·2H_2O的水热合成、晶体结构和荧光性质(英文)

Hydrothermal Synthesis,Crystal Structure and Luminescence of a New Complex [Zn(dib)(H_2O)_3]SO_4·2H_2O

由水热法合成了锌化合物[Zn(dib)(H2O)3]SO4.2H2O(1)(dib=1,4-二咪唑基苯),并对其进行了元素分析、IR及X-射线衍射法表征。晶体结构表明:配合物1属于正交晶系,Fddd空间群。配合物1是由桥联配体1,4-二咪唑基苯连接成一维链状结构,该一维链被氢键拓展成三维超分子结构。配合物1的荧光测试研究表明它具有蓝色荧光。

A new zinc coordination polymers [Zn（dib）（H2O）3]SO4·2H2O（1） was obtained by hydrothermal assembly of ZnSO4·7H2O with a isophthalic acid in the presence of N-donor ligands,namely 1,4-di（1-imidazolyl）benzene（dib）.Complex 1 crystallizes in orthorhombic,space group Fddd with a=1.266 87（13） nm,b=2.269 9（2） nm,c=2.644 7（3） nm,V=7.605 1（13） nm3,Z=16,C12H20N4ZnO9S,Mr=461.75,Dc=1.613 g·cm-3,μ=1.454 mm-1,F（000）=3 808,Rint=0.040 8,R=0.043 2,wR=0.099 8.Single-crystal X-ray diffraction analysis revealed that each dib ligand in turn uses its two mizale groups to connect two metal centers,then the one-dimensional（1D） chains is formed.On the other hand,the 1D chains are further connected by hydrogen bonds interactions to give a three-dimensional（3D） supramolecular structure.In addition,the luminescent property of complex 1 has been investigated at room temperature,indicating the blue photoluminescence exists in it.CCDC： 804498.