Crystal Structures and Luminescence Properties of Two Zn(II) Coordination Polymers Based on 3-(1H-Pyrazol-4-yl)-5-(pyridin-2-yl)-1,2,4-triazole and Polycarboxylic Acid Ligands

IF 1.5 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Russian Journal of Inorganic Chemistry Pub Date : 2025-07-09 DOI:10.1134/S0036023625601163

Yu-Fang Wang, Yi-Kun Wang, Xi Luo, Tian-Yu Zhao, Li-Ya Wang

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Abstract

Two coordination polymers (CPs) {[Zn₂(HL)(btc)(H₂O)₂].4(H₂O)}_n (1) and {[Zn(H₂L)(btec)_0.5](H₂O)}_n (2) have been synthesized under hydrothermal conditions by using 3-(1H-pyrazol-4-yl)-5-(pyridin-4-yl)-1,2,4-triazole (H₂L), 1,3,5-benzenetricarboxylic acid (H₃btc) and 1,2,4,5-benzenetetracarboxylic acid (H₄btec) as reagents along with zinc acetate. Compounds 1 and 2 have been characterized by elemental analysis, single crystal X-ray diffraction, and IR spectroscopy. Compound 1 shows a corrugated layered structure, and a 3D supramolecular architecture is further assembled in 1 via hydrogen-bonding contacts. Compound 2 exhibits a 3D framework structure. The thermal behavior and the luminescence properties of the two compounds were studied.

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基于3-（1h -吡唑-4-基）-5-（吡啶-2-基）-1,2,4-三唑和聚羧酸配体的两种Zn（II）配位聚合物的晶体结构和发光性能

两种配位聚合物（CPs） {[Zn2(HL)(btc)(H2O)2]。以3-（1h -吡唑-4-基）-5-（吡啶-4-基）-1,2,4-三唑（H2L）、1,3,5-苯三羧酸（H3btc）和1,2,4,5-苯四羧酸（H4btec）为试剂，乙酸锌为原料，在水热条件下合成了4(H2O)}n(1)和{[Zn(H2L)(btec)0.5](H2O)}n(2)。化合物1和2已通过元素分析、单晶x射线衍射和红外光谱进行了表征。化合物1呈波纹状层状结构，通过氢键接触在1中进一步组装成三维超分子结构。化合物2具有三维框架结构。研究了两种化合物的热性能和发光性能。

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来源期刊

Russian Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

3.10

自引率

38.10%

发文量

237

审稿时长

3 months

期刊介绍： Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.