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在室温和甲醇/水溶液为溶剂的条件下,以四溴代对苯二甲酸(H2TBTA)及1,3-二(4-吡啶基)丙烷(BPP)为配体合成了[Zn(TBTA)(BPP)]n(1)和[Cd(TBTA)(BPP)2(H2O)2]n(2)2个配位聚合物,对其进行了X-射线单晶衍射、元素分析、红外光谱分析和热重等性质表征。结果表明:配合物1为二维(2D)层状网络结构;配合物2为一维(1D)链状结构;H2TBTA配体中的羧基都采取单齿模式与金属离子配位;配合物中的氢键作用对其结构的稳定性起关键作用。
The complex of [Zn (TBTA) (TBTA) (2-methyl-2-pyrrolidone) (BPP)] n (1) and [Cd (TBTA) (BPP) 2 (H2O) 2] n (2) were synthesized and characterized by X-ray single crystal diffraction, elemental analysis and infrared spectroscopy And thermogravimetric characterization. The results showed that the complex 1 was a two-dimensional (2D) layered network structure; the complex 2 was a one-dimensional (1D) chain structure; the carboxyl groups in the H2TBTA ligand all coordinated with the metal ions in the monodentate mode; The hydrogen bonding plays a key role in its structural stability.