The compounds[CdCI(pybma)·H_2O]_n(1)and[Cd_2(pybma)_2(OH-BDC)]_n1(2)(Hpybma=2-(2-pyridinylbenzimidazolyl)acetic acid,OH-H_2BDC=5-hydroxy-1,3-benzenedicarboxylic acid)have been synthesized by hydrothermal methods and characterized by elemental analysis,IR spectra,XRD,TGA,fluorescence,and the crystal structures were determined by single-crystal X-ray diffraction.The compound 1 crystallizes in the monoclinic system,space group P2_1/c.The compound 2 crystallizes in the triclinic system,space group P1.Bothcompounds are two-dimensional(2D)layer structures,furthermore the compound 1 is extended into threedimensional network by hydrogen bonds.The experimental results show that two compounds have good fluorescence properties and can be used as potential optical materials.%用水热合成法得到了镉的2个配合物[CdCl(pybma)·H_2O]_n(1)和[Cd_2(pybma)_2(OH-BDC)]_n(2)(Hpybma=2-(2-吡啶基)苯并眯唑基乙酸,OH-H_2BDC=5-羟基-1,3-苯二酸),对它们进行了元素分析、红外光谱、XRD,热重,荧光等表征,并用X-射线单晶衍射测定了配合物的单晶结构.配位聚合物1属单斜晶系,p2_1/C空间群,配位聚合物2属三斜晶系,p1空间群.2个配合物都是二维层状结构,其中配合物1通过氢键作用形成三维网状结构.实验结果表明2个配合物都具有较好的荧光性质.可以作为潜在的荧光光学材料.
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