Abstract In recent decades, coordination polymers (CPs) constructed by metal ions/clusters as nodes and organic linkers through coordination interactions, have expanded rapidly in both academic and industrial realms. Understanding the coordination chemistry of the organic linkers can greatly help the rational design and synthesis of targeted CPs because a minor change in the organic linker can greatly induce a structural variation of the final coordination structures. 4,5-imidazoledicarboxylic acid (H3imda) and 1H-1,2,3-triazole-4,5-dicarboxylic acid (H3tda) are two analogue N-heterocyclic carboxylic ligands except for the difference of 2-site N or C, which have the advantages from both imidazole/triazole and carboxylic groups and have been widely used as multifunctional linkers to construct numerous CPs with various architectures and interesting properties such as gas storage and separation, luminescence, catalysis, and magnetism in the past two decades. When the 2-site N donor of H3tda is not coordinated with metal center, they can present similar architectures; however, when the 2-site N donor is deprotonated and binds to metal centers, they generally exhibit distinct differences in the structures and accessorial properties. In this context, these two ligands provide a valuable model for understanding the key role of donor position to the influence of structures of CPs. This review provides an overview on the coordination chemistry of H3imda and H3tda, which are organized as follows: (i) the coordination modes of H3imda and H3tda influenced by the various acidity-dependent systems; (ii) the coordination chemistry of homometallic CPs (HOCPs) with H3imda and H3tda; (iii) the coordination chemistry of heterometallic CPs (HECPs) with H3imda and H3tda. Representative examples are shown in each section that highlights the relationships between the two ligands and targeted structures. Besides, the readers will also be directed to the relevant articles and reviews on N-heterocyclic derivatives, which will guide further investigations into a particular aspect of coordination chemistry with N-heterocyclic derivatives.

中文翻译：

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N-杂环羧酸的配位化学：由4,5-咪唑二羧酸和1H-1,2,3-三唑-4,5-二羧酸构成的配位聚合物的比较

摘要 近几十年来，以金属离子/簇为节点和有机连接体通过配位相互作用构建的配位聚合物（CPs）在学术和工业领域迅速发展。了解有机接头的配位化学可以极大地帮助目标CP的合理设计和合成，因为有机接头的微小变化可以极大地诱导最终配位结构的结构变化。4,5-咪唑二甲酸 (H3imda) 和 1H-1,2,3-三唑-4,5-二甲酸 (H3tda) 是两个类似的 N-杂环羧酸配体，除了 2 位点 N 或 C，在过去的二十年中，它们兼具咪唑/三唑和羧基的优点，并被广泛用作多功能连接体，以构建具有各种结构和有趣特性（如气体存储和分离、发光、催化和磁性）的众多 CP。当H3tda的2位N供体不与金属中心配位时，它们可以呈现相似的结构；然而，当 2 位 N 供体被去质子化并与金属中心结合时，它们通常在结构和辅助性能方面表现出明显的差异。在这种情况下，这两个配体为理解供体位置对 CP 结构影响的关键作用提供了一个有价值的模型。本综述概述了 H3imda 和 H3tda 的配位化学，其组织如下：(i) 受各种酸度依赖系统影响的 H3imda 和 H3tda 的配位模式；(ii) 同金属 CPs (HOCPs) 与 H3imda 和 H3tda 的配位化学；(iii) 异金属 CPs (HECPs) 与 H3imda 和 H3tda 的配位化学。每个部分都显示了代表性示例，突出了两个配体和目标结构之间的关系。此外，读者还将阅读有关 N-杂环衍生物的相关文章和评论，这将指导进一步研究与 N-杂环衍生物的配位化学的特定方面。(iii) 异金属 CPs (HECPs) 与 H3imda 和 H3tda 的配位化学。每个部分都显示了代表性示例，突出了两个配体和目标结构之间的关系。此外，读者还将直接阅读有关 N-杂环衍生物的相关文章和评论，这将指导进一步研究与 N-杂环衍生物的配位化学的特定方面。(iii) 异金属 CPs (HECPs) 与 H3imda 和 H3tda 的配位化学。每个部分都显示了代表性示例，突出了两个配体和目标结构之间的关系。此外，读者还将阅读有关 N-杂环衍生物的相关文章和评论，这将指导进一步研究与 N-杂环衍生物的配位化学的特定方面。