Hydrothermal syntheses, crystal structures and luminescence properties of zinc(II) and cadmium(II) coordination polymers based on bifunctional 3,2′:6′,3′′-terpyridine-4′-carboxylic acid
作者:Na Li、Hui-Lin Guo、Huai-Ming Hu、Juan Song、Bing Xu、Meng-Lin Yang、Fa-Xin Dong、Gang-Lin Xue
DOI:10.1016/j.jssc.2012.10.028
日期:2013.2
Five new coordination polymers, [Zn2(ctpy)2Cl2]n (1), [Zn2(ctpy)2(ox)(H2O)2]n (2), [Zn2(ctpy)(3-btc)(H2O)]n·0.5nH2O (3), [Cd(ctpy)2(H2O)]n (4), [Cd4(ctpy)2(2-btc)2(H2O)2]n·2nH2O (5), (Hctpy=3,2′:6′,3′′-terpyridine-4′-carboxylic acid, H2ox=oxalic acid, H3(3-btc)=1,3,5-benzenetricarboxylic acid, H3(2-btc)=1,2,4-benzenetricarboxylic acid) have been synthesized under hydrothermal conditions and characterized
五个新的配位聚合物[Zn 2(ctpy)2 Cl 2 ] n(1),[Zn 2(ctpy)2(ox)(H 2 O)2 ] n(2),[Zn 2(ctpy)(3) -btc)(H 2 O)] n ·0.5nH 2 O(3),[Cd(ctpy)2(H 2 O)] n(4),[Cd 4(ctpy)2(2-btc)2( H 2 O)2 ] n·2 n H 2 O(5),(Hctpy = 3,2':6',3''-叔吡啶-4'-羧酸,H 2 ox =草酸,H 3(3-btc)= 1,在水热条件下合成了3,5-苯三羧酸,H 3(2-btc)= 1,2,4-苯三羧酸,并通过元素分析,IR光谱和单晶X射线衍射进行了表征。化合物1 - 2是一个一维链与弱的相互作用,以形成三维超分子结构。化合物3是由双核锌单元和(ctpy)-阴离子组成的4节点3D拓扑框架。化合物4显示二维网。化合物5是(4,5,6)连接的框架,具有4