一维双螺旋型镉配位聚合物的晶体结构及其荧光性质

Crystal structure and fluorescence properties of a one-dimensional double helix cadmium coordination polymer

利用溶剂热合成方法,获得了一个一维双螺旋镉配位聚合物:[Cd(L)2(3,4-HTDC)2](1)(L=N,N′-双(3-吡啶基)-1,3-双甲酰胺、3,4-H 2TDC=3,4-噻吩二羧酸).配位聚合物的单晶结构为三斜晶系,P-1空间群,a=8.0024(3),b=12.4182(5),c=13.2837(5),α=114.0950°,β=114.095°,γ=106.8880(10)°,Z=2,V=1125.02(7)3,CCDC:1911177.对配合物1进行了红外、X射线粉末衍射、热重以及固态荧光等表征.此外,标题配合物在不同的溶剂和金属离子中的荧光行为也被研究.

A one-dimensional double helix cadmium coordination polymer was prepared by solvothermal synthesis:[Cd(L)2(3,4-HTDC)2](1)(L=N,N'-bis(3-pyridine)-1,3-diformamide,3,4-H 2TDC=3,4-thiophene dicarboxylic acid).The crystal structure is in triclinic crystal system,space group P-1,a=8.0024(3),b=12.4182(5),c=13.2837(5),α=114.0950°,β=114.095°,γ=106.8880(10)°,Z=2,V=1125.02(7)3,CCDC:1911177.Complex 1 was characterized by IR,X-ray powder diffraction,thermogravimetry and solid state fluorescence.Moreover,the fluorescent behavior of the title complex in different solvents and metal ions has also been studied.