在水热条件下合成了一个金属镉配合物[Cd4(cam)4(phen)4]94H2O(H2cam=4-羟基吡啶-2,6-二羧酸,phen=1,10-邻菲咯啉),并用元素分析、红外光谱、X-射线单晶衍射、热重分析和荧光分析对其进行了表征.晶体结构表明:该配合物属于单斜晶系,P21/c空间群,晶胞参数为:a=1.421 61(10) nm,b=1.946 42(13) nm,c=1.439 66(10) nm,β=115.385 0(10)°.每个CdⅡ离子七配位呈变形五角双锥几何构型,两对CdⅡ离子与4个(cam)2-离子相连形成了环状四核结构.相邻的四核单元通过氢键的识别作用形成二维超分子网；氢键和π…π堆积作用进一步将其扩展为三维超分子结构.%A cadmium complex [Cd4(cam)4(phen)4]·4H2O (H2cam=4-hydroxypyridine-2,6-dicarboxylic acid hydrate,phen =1,10-phenanthroline) has been hydrothermal synthesized and structurally characterized by elemental analyses,thermal stability analysis,IR and single-crystal X-ray diffraction analyses.Crystal structural analysis reveals that it crystallizes in monoclinic system,space group P21/c,a=1.421 61(10) nm,b=1.94642(13) nm,c=1.43966(10) nm,β=115.3850(10)°.The CdⅡ ion is seven-coordinate with a slightly distorted pentagonal bipyramid geometry.Two pairs CdⅡ ions joined with four (cam)2- ions to form a cyclic tetranuclear structure.The neighboring tetranuclear units are linked into 2D supramolecular network through hydrogen bonding interaction.Hydrogen bonding and π…π stacking interactions contact the 2D network to form 3D supramolecular structures.CCDC:820965.
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