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以两种V型的配体4,4′-二吡啶基苯(1,3-dpb)和4,4′-二羧基二苯砜(H2sdb),和钴(Ⅱ)通过溶剂热反应合成了1个配位聚合物{[Co(dpb)(sdb)(H2O)2]·2H2O·DMF}n(1)。对其进行了红外、热重、粉晶衍射、单晶衍射等表征,配合物属于三斜晶系,空间群P1。其中Co(Ⅱ)的2个顶点被水分子占据,相邻的钴(Ⅱ)离子连接着1,3-二吡啶基苯和4,4′-二羧基二苯砜形成一维的双绳链,相邻的链之间通过羧基-配位水和配位水-配位水间的氢键相互连接形成二维的层状结构,层状结构之间通过砜基-配位水间的氢键又相互连接形成三维结构。此外,还研究了配合物的固体紫外-可见光谱。
The two V-type ligands 4,4’-bipyridylbenzene (1,3-dpb) and 4,4’-dicarboxydiphenylsulfone (H2sdb) were synthesized by solvothermal reaction with cobalt One coordination polymer {[Co (dpb) (sdb) (H2O) 2] · 2H2O · DMF} n (1). It was characterized by infrared, thermogravimetry, powder diffraction and single crystal diffraction. The complexes belonged to triclinic system with space group P1. Among them, the two vertices of Co (Ⅱ) are occupied by water molecules. Adjacent cobalt (Ⅱ) ions are connected with 1,3-dipyridylbenzene and 4,4’-dicarboxydiphenylsulfone to form one-dimensional double-catenary chains , The adjacent chains are connected to each other through the hydrogen bond between the carboxyl-coordinated water and the coordination water-coordinated water to form a two-dimensional layered structure, and the layered structure is formed by the sulfone-coordinated hydrogen The keys are interconnected to form a three-dimensional structure. In addition, the solid UV-visible spectrum of the complex was also studied.