Entanglement and Irreversible Structural Transformation in Co(II) Coordination Polymers Based on Isomeric Bis-pyridyl-bis-amide Ligands
作者:Chih-Hsun Hsu、Wei-Chun Huang、Xiang-Kai Yang、Chih-Tung Yang、Pradhumna Mahat Chhetri、Jhy-Der Chen
DOI:10.1021/acs.cgd.8b01706
日期:2019.3.6
polymers constructed from the flexible isomeric bis-pyridyl-bis-amide (bpba) ligands, N,N′-di(3-pyridyl)suberoamide (L1) and N,N′-di(4-pyridyl)suberoamide (L2), and the auxiliary 1,4-naphthalenedicarboxylic acid (1,4-H2NDC), including [Co(L1)1.5(1,4-NDC)(H2O)]n, 1, [Co3(L1)1.5(1,4-NDC)3(EtOH)]n, 2, [Co(L2)1.5(1,4-NDC)]·H2O}n, 3, and [Co(L2)0.5(1,4-NDC)]·EtOH}n, 4, have been synthesized and structurally
由柔性异构体双吡啶基双酰胺(bpba)配体,N,N'-二(3-吡啶基)亚磺酰胺(L 1)和N,N'-二(4-吡啶基)亚磺酰胺(L 2)和辅助的1,4-萘二甲酸(1,4-H 2 NDC),包括[Co(L 1)1.5(1,4-NDC)(H 2 O)] n,1,[Co 3(L 1)1.5(1,4-NDC)3(EtOH)] n,2,[Co(L 2)1.5(1,4-NDC)]·H 2 O} n,3和[Co(L 2)0.5(1,4-NDC)]·EtOH} n,4已经合成并在结构上通过使用单晶X射线晶体学来表征。配合物1形成具有双边缘的二维层,而配合物2显示具有(4 8 .6 6 .8)-6T60拓扑的唯一三维(3D)自分类框架,而复合物3显示具有最高3D框架的3D框架bnn拓扑的5倍互穿和4显示了具有pcu拓扑的3D 2倍互穿框架。L 1和L 2配体的供体原子位置和溶剂的身份在决定结构多样性方面起