Crystal structures and fluorescence of two Cd(II) complexes based on N-(3-carboxyphenyl)iminodiacetic acid and 5-amino isophthailic acid
作者:Wenbing Yuan、Tianfu Liu、Zhengang Guo、Hongfang Li、Rong Cao
DOI:10.1016/j.molstruc.2009.11.042
日期:2010.2
multi-carboxylate ligands, N-(3-carboxyphenyl)iminodiacetic acid (H3L1) and 5-aminoisophthalic acid (H2L2), respectively. Complex 1 has a 2D layer structure, which is generated through 1D zigzag Cd…Cd chains with coexisting left-handed and right-handed helices connected together by (L1)3−. Complex 2 consists of a 2D (3, 6)-connected (4,36) net. At room temperature, complex 1 exhibits a strong emission
摘要 两种镉(II)配位聚合物,[Cd6(L1)4(H2O)11]n·4nH2O(1)和[Cd(L2)(H2O)]n·2nH2O(2)多羧酸配体,分别是 N-(3-羧基苯基)亚氨基二乙酸 (H3L1) 和 5-氨基间苯二甲酸 (H2L2)。复合体 1 具有 2D 层结构,它是通过 1D 之字形 Cd…Cd 链生成的,其中左旋和右旋螺旋通过 (L1)3− 连接在一起。复合体 2 由一个二维 (3, 6) 连接的 (4,36) 网络组成。在室温下,配合物 1 在 350 nm 激发时在 442 nm 处表现出强发射,而配合物 2 在 355 nm 处激发时在 384 和 400 nm 处表现出强发射。