Synthesis, structure, and photocatalytic properties of a Cu(II) coordination polymer derived from a flexible tripodal linker

Sustainable Chemistry for the Environment Pub Date : 2025-07-16 DOI:10.1016/j.scenv.2025.100277

Samiksha , Gunjan Rajput , Bhavesh Parmar , Abhishek Dadhania , Vera Isaeva , Ravinder Kumar , Kamal Kumar Bisht

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引用次数: 0

Abstract

A copper coordination polymer, {[Cu(TIB)₂(H₂O)₂].Cl₂(H₂O)₂}_n (CP1) involving a tripodal N-donor, 1,3,5-tris((1H-imidazol-1-yl)methyl)benzene (TIB) ligand has been synthesized by environmentally friendly methods and structurally characterized. CP1 exists as a 1D coordination polymer in which the Cu(II) ions possess a distorted octahedral coordination environment provided by N atoms from the four TIB ligands constituting the square base and O atoms from two coordinated water molecules occupying the axial coordination sites. The packing and hydrogen bonding interaction of CP1 revealed that the centrosymmetric metal-organic strands are involved in intermolecular hydrogen bonding in the formation of 3D network via O-H···N, O-H···Cl and π···π interactions. CP1 also features a [(H₂O)₂Cl₂] cluster running down the c-axis, i.e., parallel to the metal-organic strands, [Cu(TIB)₂(H₂O)₂]_n. CP1 is characterized by single-crystal X-ray diffraction and other physico-chemical techniques. Photocatalytic activity of CP1 for the decomposition of aqueous Aniline Blue (AB) in the presence of 1 M hydrogen peroxide under the LED illumination was examined and showed approximately 62 % dye degradation in 135 min.

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柔性三足连接体衍生的Cu（II）配位聚合物的合成、结构及光催化性能

采用环境友好的方法合成了一种铜配位聚合物{[Cu(TIB)2(H2O)2]. cl2 (H2O)2}n (CP1)，该配位聚合物含有三脚n给体1,3,5-三（（1h -咪唑-1-基）甲基）苯（TIB）配体。CP1是一种一维配位聚合物，其中Cu（II）离子具有畸变的八面体配位环境，由构成方基的四个TIB配体中的N原子和占据轴向配位位的两个配位水分子中的O原子提供配位环境。CP1的填充和氢键相互作用表明，中心对称的金属-有机链通过O-H··N、O-H··Cl和π··π相互作用参与分子间氢键形成三维网络。CP1还具有沿c轴向下运行的[(H2O)2Cl2]簇，即平行于金属有机链[Cu(TIB)2(H2O)2]n。CP1通过单晶x射线衍射和其他物理化学技术进行了表征。在LED照明下，CP1在1 M过氧化氢存在下对苯胺蓝（AB）的光催化活性进行了测试，结果表明，在135 min内，CP1的染料降解率约为62 %。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Sustainable Chemistry for the Environment

CiteScore

0.40

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0.00%

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