以环已二酸及咪唑基化合物为配体的镉配合物的合成、晶体结构及荧光性质(英文)

Synthesis,Crystal Structure and Fluorescent Property of a Cadmium(Ⅱ) Coordination Polymer Constructed from 1,4-Cyclohexanedicarboxylic Acid and Imidazole Ligand

以硝酸镉、环已二酸(H2CDC)和2,3,5,6-四氟-1,4-二咪唑基二甲苯(FBIX)为原料,在水热条件下得到了1个配位聚合物[Cd(CDC)(FBIX)0.5]n(1),并利用元素分析、红外光谱以及X-射线单晶洐射对其进行了表征。该晶体属三斜晶系,P1空间群,a=0.880 53(18)nm,b=0.888 31(18)nm,c=1.091 7(2)nm,α=97.349(2)°,β=95.688(2)°,γ=105.495(2)°,V=0.808 1(3)nm3,Dc=1.799 g·cm-3,Z=2,F(000)=434,Goof=1.094,R1=0.025 6,wR2=0.072 3。Cd髤离子通过2个CDC配体桥联形成一维双绞链,再通过FBIX配体连接成二维层状结构。室温下该配合物表现出较强的荧光发射。

A two-dimensional coordination polymer of [Cd（CDC）（FBIX）0.5]n（1）（H2CDC=1,4-cyclohexanedicarbo-xylic acid and FBIX=2,3,5,6-tetrafluoro-1,4-bis（imidazol-1-yl-methyl） benzene） has been prepared and characterized by elemental analysis,IR spectroscopy,TGA and single-crystal X-ray diffraction.The crystal is of triclinic system,space group P1 with a=0.880 53（18） nm,b=0.888 31（18） nm,c=1.091 7（2） nm,α=97.349（2）°,β=95.688（2）°,γ=105.495（2）°,V=0.808 1（3） nm3,Dc=1.799 g·cm-3,Z=2,F（000）=434,Goof=1.094,R1=0.025 6,wR2=0.072 3.Complex 1 shows a two-dimensional layer structure based on paddle-wheel building units.Moreover,it shows intense fluorescent property at room temperature.