利用线性氮杂环配体构建四种基于γ-八钼酸盐的配位聚合物以传导质子

IF 3.4 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Crystal Growth & Design Pub Date : 2024-05-28 DOI:10.1021/acs.cgd.4c00336

Ming-Guang Lv, Jing-Qi Zhang, Qing-Ge Li, Kun Gao, Swetha Andra, Zhen-Zhu Li, Hui-Jie Lun* and Ya-Min Li*,

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引用次数: 0

摘要

以 POM 为基质的配位聚合物正在成为一种有前途的质子传导晶体材料。在此，我们利用线性氮杂环配体 1-(4H-1,2,4-三唑-4-基)-4-(咪唑-1-基)（苯 [tib]）成功合成了四种新的γ-辛钼酸配位聚合物、它们分别被命名为{[Co(Htib)2(Mo8O26)(H2O)2]-4H2O}n (1)、{Zn2(tib)3(H2O)4(Mo8O26)]-6H2O}n (2)、{[Ni2(tib)3(H2O)6(Mo8O26)]-2H2O}n (3)和{[Cu4(tib)2(H2O)4(Mo8O28)]-2H2O}n (4)。由于γ-八钼酸盐和 tib 配体与金属离子的连接方式不同，它们的结构尺寸也从一维、二维到三维不等。化合物 1 呈一维链状结构，γ-{Mo8O26}夹在 Co(tib)2 单元之间；化合物 2 通过{Zn2Mo8O26}单元与μ2-tib 配体的连接形成二维层状结构。化合物 3 和 4 显示出三维结构，前者由一维{Mo8O26}n 链和 Ni2(tib)2 单元构成，后者则是通过将 tib 配体连接到相邻的二维层而形成的，后者由独特的{Mo8O28}单元和 CuII 离子构成。此外，四种化合物中存在丰富的氢键，有利于质子传输。在 98% RH 和 358 K 条件下，1-4 号化合物的质子电导率值分别为 6.10 × 10-4、5.68 × 10-4、6.14 × 10-4 和 1.30 × 10-3 S cm-1。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Construction of Four γ-Octamolybdate-Based Coordination Polymers Using Linear Nitrogen Heterocyclic Ligands for Proton Conduction

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Construction of Four γ-Octamolybdate-Based Coordination Polymers Using Linear Nitrogen Heterocyclic Ligands for Proton Conduction

POM-based coordination polymers are emerging as promising crystalline materials for proton conduction. Herein, we successfully synthesized four new γ-octamolybdate-based coordination polymers using the linear nitrogen heterocyclic ligand 1-(4H-1,2,4-triazole-4-yl)-4-(imidazole-1-yl) (benzene [tib]), which are designated as {[Co(Htib)₂(Mo₈O₂₆)(H₂O)₂]·4H₂O}_n (1), {Zn₂(tib)₃(H₂O)₄(Mo₈O₂₆)]·6H₂O}_n (2), {[Ni₂(tib)₃(H₂O)₆(Mo₈O₂₆)]·2H₂O}_n (3), and {[Cu₄(tib)₂(H₂O)₄(Mo₈O₂₈)]·2H₂O}_n (4). Due to the diverse connection modes of γ-octamolybdate and tib ligand to metal ions, the dimensionalities of their structures vary from 1D and 2D to 3D. Compound 1 exhibits a 1D chain structure, with γ-{Mo₈O₂₆} sandwiched between Co(tib)₂ units, while compound 2 develops into a 2D layered structure through the linkage of {Zn₂Mo₈O₂₆} units with μ₂-tib ligands. Compounds 3 and 4 display 3D structures, where the former is constructed from 1D {Mo₈O₂₆}_n chains and Ni₂(tib)₂ units and the latter is formed by linking tib ligands to adjacent 2D layers, which are composed of the distinctive {Mo₈O₂₈} units and Cu^II ions. Moreover, abundant hydrogen bonds are present in four compounds, which is beneficial for proton transport. The proton conductivity values of compounds 1–4 are 6.10 × 10^–4, 5.68 × 10^–4, 6.14 × 10^–4, and 1.30 × 10^–3 S cm^–1 at 98% RH and 358 K, respectively.

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来源期刊

Crystal Growth & Design 化学-材料科学：综合

CiteScore

6.30

自引率

10.50%

发文量

650

审稿时长

1.9 months

期刊介绍： The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials. Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.