Syntheses, crystal structures, and photocatalytic properties of two zinc(II) coordination polymers based on dicarboxylates and flexible bis(benzimidazole) ligands
作者:Hui Zhu、Dong Liu、Yue-Hua Li、Guang-Hua Cui
DOI:10.1016/j.poly.2019.04.011
日期:2019.7
Abstract Two new ternary zinc(II) coordination polymers (CPs), catena-(μ2-phthalato)-(μ2-1,1′-hexane-1,6-diylbis(2-methyl-1H-benzimidazole))-zinc (CP 1) and catena-(μ2-phenylene-1,4-diacetato)-(μ2-1,1′-hexane-1,6-diylbis(1H-benzimidazole))-zinc (CP 2) were synthesized via hydrothermal process. CP 1 and CP 2 are named as [Zn(L1)(PA)]n and [Zn(L2)(PDA)]n (L1 = 1,1′-hexane-1,6-diylbis(2-methyl-1H-benzimidazole)
摘要两种新的三元锌(II)配位聚合物(CP)-连环-(μ2-邻苯二甲酸)-(μ2-1,1'-己烷-1,6-二甲基双(2-甲基-1H-苯并咪唑))-锌(通过水热法合成了CP 1)和catena-(μ2-亚苯基-1,4-diacetato)-(μ2-1,1'-己烷-1,6-二甲苯基双(1H-苯并咪唑))-锌(CP 2) 。CP 1和CP 2分别命名为[Zn(L1)(PA)] n和[Zn(L2)(PDA)] n(L1 = 1,1'-己烷-1,6-二烷基双(2-甲基-1H) -苯并咪唑),L 2分别为1,1'-己烷-1,6-二基双(1H-苯并咪唑),H2PA =邻苯二甲酸,H2PDA = 1,4-苯二乙酸)。通过元素分析,红外光谱,单晶X射线衍射分析对这两种CP进行了表征。CP 1具有4个连接的66直径网络,CP 2显示带有点符号63}的2D hcb层。UV-Vis漫反射光谱,研究了两种CP对亚