【摘要】 以喹啉-2-甲酸与醋酸镍为原料,采用水热法合成配合物2[NiL₂（H₂O）₂]·DMF（L=喹啉-2-甲酸根离子,DMF=N,N-二甲基甲酰胺）,并通过X-射线单晶衍射、X-射线粉末衍射、元素分析、红外光谱、热重分析、荧光光谱对其进行结构解析和性质表征。晶体结构解析表明:标题配合物晶体属于正交晶系,空间群为Pna2₁;其晶胞参数是:a=2.06753（6） nm,b=0.82571（3） nm,c=2.34776（7） nm,V=4.0081（2） nm³,Z=4,Mr=951.210,Dc=1.576 g/cm³。标题配合物为单核配合物,配位单元之间通过分子间氢键和π-π堆积作用,把配合物扩展为三维超分子结构。荧光光谱分析表明配体和标题配合物均有良好的荧光性,且配合物荧光性优于配体。更多还原

【Abstract】 2[NiL₂（H₂O）₂]·DMF（L=quinoline-2-carboxylic acid radical, DMF=N,N-dimethylformamide） was synthesized by hydrothermal method using quinoline-2-carboxylic acid and nickel sulfate as raw material. Its structure and property was analysized and characterized by X-ray, PXRD, EA, IR, TG and Fl. The title complex is orthorhombic system, and belong to space group Pna2₁; with a=2.06753（6） nm, b=0.82571（3） nm,c=2.34776（7） nm, V=4.0081（2） nm³, Z=4, Mr=951.210, Dc=1.576 g/cm³.The title complex is a mononuclear complex, which is expanded into a three-dimensional supramolecular structure by intermolecular hydrogen bonding and π-π stacking. Fluorescence spectrum analysis show that both the ligand and the title complex have good fluorescence properties, and the fluorescence properties of the title complex are better than that of the ligand.更多还原