三维网状锌配合物的合成与结构表征

Synthesis and crystal structure of 3D network Zn(Ⅱ) complex

在乙醇溶剂中,采用一种新的合成方法,在马尿酸和2,2′-联吡啶两种配体共存的情况下,合成了标题化合物,通过元素分析、红外光谱对其进行了表征。并用X-射线单晶衍射方法对其进行了晶体结构解析,结果表明,该化合物为单斜晶系,晶胞为C2/c,晶胞参数:a=1.54304(14)nm,b=1.27150(11)nm,c=0.67068(5)nm,V=1.28661(19)nm3,Z=4,Mr=353.65,Dc=1.826g/cm3,T=298(2)K,F(000)=720,μ(MoKα)=2.098cm-1,R=0.0229,ωR=0.0615,化合物分子通过分子间氢键和吡啶环的π-π堆积作用形成了三维网状结构。

A novel 3D network Zn（Ⅱ） complex was synthesized in ethanol solvent,and was characterized by elemental analysis and IR.The crystal structure of Zn（Ⅱ） complex was also determined by X-ray single crystal diffraction.The results showed that this Zn（Ⅱ） complex was monoclinic,with unit cell C2/c and cell parameters：a=1.543 04（14） nm,b=1.271 50（11） nm,c=0.670 68（5） nm,V=1.286 61（19） nm^3,Z=4,Mr=353.65,Dc=1.826 g/cm^3,T=298（2） K,F（000）=720,μ（MoKα）=2.098 cm^-1,R=0.022 9 and ωR=0.061 5.The compound formed 3D network network structure through intermolecular hydrogen bonds and π -π interaction of pyridine rings.