Syntheses and Characterizations of two Zinc(II) Metal-organic Frameworks based on 1,4-Naphthalenedicarboxylate and Imidazole Ligands
作者:Jingyuan Wang、Hongpeng You
DOI:10.1002/zaac.201000315
日期:2011.3
Two new compounds, namely [Zn(1,4-ndc)(L1)] (1), and [Zn(1,4-ndc)(L2)]·0.25H2O (2) [L1 = 2-phenylimidazole, L2 = 1,1′-(1,4-butanediyl)bis(imidazole), and 1,4-ndc = 1,4-naphthalenedicarboxylate] were successfully synthesized under similar hydrothermal conditions. In compound 1, each 1,4-ndc anion links two neighboring ZnII cations with its carboxylate groups to generate a 2D layer structure. The L1
两种新化合物,即 [Zn(1,4-ndc)(L1)] (1) 和 [Zn(1,4-ndc)(L2)]·0.25H2O (2) [L1 = 2-苯基咪唑,L2 = 1,1'-(1,4-丁二基)双(咪唑)和1,4-ndc = 1,4-萘二甲酸酯]在类似的水热条件下成功合成。在化合物 1 中,每个 1,4-ndc 阴离子将两个相邻的 ZnII 阳离子与其羧酸根连接起来,以生成二维层结构。L1 配体附着在层的两侧。在化合物 2 中,1,4-ndc 的每个羧酸根基团以单齿模式连接一个 ZnII 原子,形成一维锯齿形链。此外,L2 配体连接链以生成扩展的金刚石网。四个菱形网络以不寻常的 [2+2] 模式交织形成 3D 互穿菱形框架。此外,