锌(Ⅱ)配位聚合物{[Zn(CPGA)(DPPP)]H_2O}_n的合成和晶体结构

Synthesis and Structure of Zn(Ⅱ) Coordination Polymer {[Zn(CPGA)(DPPP)]·H_2O}_n with 3-(4-Chlorophenyl) glutaric Acid and 1,3-Bis(4-pyridyl) propane

采用水热法合成了一个锌的新型配位聚合物{[Zn(CPGA)(DPPP)]·H2O}n(1),[CPGA=3-(4-氯苯基)戊二酸根,DPPP=1,3-二(4-吡啶基)丙烷],用元素分析、红外光谱和X-射线单晶结构等进行了表征。结果表明该配位聚合物属于单斜晶系,P21/n空间群。晶胞参数为:a=1.3775(2)nm,b=1.20745(19)nm,c=1.4854(2)nm,F(000)=1080,Dc=1.419 g·cm-3,V=2.4446(7)nm3,Mr=522.28,Z=4,μ=1.151 mm-1,R1=0.0389,ωR2=0.1253。该配位聚合物晶体中,Zn(Ⅱ)与配体3-(4-氯苯基)戊二酸根和DPPP连接形成一维波浪面结构,水分子和3-(4-氯苯基)戊二酸根中未参与配位的氧原子形成的氢键将相邻的两层连接形成双层结构,双层结构没有进一步连接。

A new Zn（ Ⅱ） coordination polymer { [Zn（ CPGA）（ DPPP） ]·H2O}n（ 1）,[H2CPGA = 3-（ 4-Chlorophenyl） glutaric acid,DPPP = 1,3-Bis（ 4-pyridyl） propane]was produced by solvothermal method.The coordination polymer was characterized by elemental analysis,IR spectroscopy,and X-ray single-crystal diffraction and so on.The results indicated that coordination complex crystallizes in the monoclinic system,space group P21/n.The cell parameters： a = 1.3775（ 2） nm,b = 1.20745（ 19）nm,c = 1.4854（ 2） nm,F（ 000） = 1080,Dc= 1.419 g·cm^-3,V = 2.4446（ 7） nm^3,Mr= 522.28,Z = 4,μ = 1.151 mm^-1,R1= 0.0389,ωR2= 0.1253.In this complex,Zn（ Ⅱ） coordinated with CPGA and DPPP forming 2D wave-like sheet structures.Two same 2D wave-like sheets wereconnected by H-bonding which obtained by O atoms of water and CPGA ligands.