Abstract Two Hade-based Cd(II) polymers, [Cd(Hade)(tp)]n (1) and {[Cd6(Hade)6(tp)6]·9H2O}n (2) (Hade = adenine, H2tp = benzene-1,4-dicarboxylic acid), were obtained from the same reaction system at different temperatures which have been characterized by single-crystal X-ray diffraction, elemental analysis, FT-IR spectroscopy, thermogravimetric analysis, and luminescence spectroscopy. Significantly resulting from the synergistic coordination of nucleobase and bicarboxylate groups, they are a 3-D pillared-layer structure for 1 and a 2-D grid structure where the dicadmium paddle-wheel motifs are double bridged by benzene-1,4-dicarboxylate anions for 2. The supramolecular architecture of 2 is essentially knitted by hydrogen bonding interactions produced by the exocyclic amino/endocyclic imino groups of the nucleobase and the carboxylate groups of the co-ligand to favorably stabilize the high-dimensional supramolecular architectures. At room temperature, 1 and 2 exhibit intense luminescent emissions originating from a Hade-based intraligand and/or photoinduced charge transfer upon adenine binding mode. Graphical Abstract

中文翻译：

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两种具有混合腺嘌呤核碱基和苯-1,4-二羧酸的温度依赖性 Cd(II) 基配位聚合物：合成、结构和荧光特性

摘要 两种基于 Hade 的 Cd(II) 聚合物，[Cd(Hade)(tp)]n (1) 和 {[Cd6(Hade)6(tp)6]·9H2O}n (2) (Hade = 腺嘌呤，H2tp = 苯-1,4-二羧酸），在不同温度下从同一反应体系中获得，其特征是单晶 X 射线衍射、元素分析、FT-IR 光谱、热重分析和发光光谱。显着地源于核碱基和二羧酸盐基团的协同配位，它们是 1 的 3-D 柱层结构和 2-D 网格结构，其中二镉桨轮图案由苯-1,4-二羧酸根阴离子双桥接为 2。2 的超分子结构基本上是由核碱基的环外氨基/内环亚氨基和共配体的羧基产生的氢键相互作用编织而成的，以有利地稳定高维超分子结构。在室温下，1 和 2 表现出源自基于 Hade 的内配体和/或基于腺嘌呤结合模式的光诱导电荷转移的强烈发光发射。图形概要