Syntheses, Crystal Structures, and Properties of Metal(II) Coordination Polymers based on Flexible Ligand 1,3-Bis(4-phenoxy)benzenedicarboxylic Acid and Bis(benzimidazole)
作者:Jianquan Hong、Xiaoxiao Zhang、Ruixue Long、Changge Zheng
DOI:10.1002/zaac.201800037
日期:2018.6.15
Three new coordination polymers, [Zn(PBDC)(bbbm)0.5]n (1), [Co(PBDC)(bbbm)]n (2), and [Cd(PBDC)(bbbm)]n (3) were prepared via hydrothermal reactions of different metal(II) nitrates with flexible 1,3‐bis(4‐phenoxy)benzenedicarboxylic acid (H2L) and 1,1‐(1,4‐butanediyl)bis(benzimidazole) ligand. All these complexes were fully characterized by elemental analysis, FT‐IR, thermogravimetric analysis (TGA)
制备了三种新的配位聚合物[Zn(PBDC)(bbbm)0.5 ] n(1),[Co(PBDC)(bbbm)] n(2)和[Cd(PBDC)(bbbm)] n(3)通过不同的硝酸金属(II)与灵活的1,3-双(4-苯氧基)苯二甲酸(H 2 L)和1,1-(1,4-丁二基)双(苯并咪唑)配体的水热反应进行。所有这些络合物均通过元素分析,FT-IR,热重分析(TGA),粉末X射线衍射和单晶X射线衍射进行了充分表征。结构分析表明复合物1有一个2D→2D双向互穿框架,通过点号为(4 4 .6 2)的4个连接的sql网络简化,而复合物2和3是同构的,并显示了合理化为3个连接的hcb的2D→2D双向互穿框架带有点符号(6 3)的网。配合物1 - 3通过非共价进一步扩大到3D超分子结构C-H ··· ö相互作用。此外,还研究了其中一些配合物的发光和磁性。配合物3呈现理想的光致发光行为,而配合物2图1显示了中心Co