Two 2D coordination polymers derived from 1-(2-carboxyethyl)-4,4′-bipyridinium bromide: Photochromism

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganica Chimica Acta Pub Date : 2025-03-11 DOI:10.1016/j.ica.2025.122648

Guozheng Zhao, Jinjian Liu

{"title":"Two 2D coordination polymers derived from 1-(2-carboxyethyl)-4,4′-bipyridinium bromide: Photochromism","authors":"Guozheng Zhao, Jinjian Liu","doi":"10.1016/j.ica.2025.122648","DOIUrl":null,"url":null,"abstract":"<div><div>We synthesized and structurally analyzed two new two-dimensional (2D) viologen coordination polymers, [Cd(CBbpy)(p-BDC)·H2O]n (1) and [Co2(CBbpy)2(m-BDC)(H2O)4·0.5(m-BDC)·2H2O]n (2), which originate from 1-(2-carboxyethyl)-4,4′-bipyridinium bromide (HCBbpyBr). Single-crystal X-ray diffraction analysis shows that compound 1 crystallizes within the monoclinic space group P21/n, whereas compound 2 crystallizes in the C2/c space group. The photochromic properties of two compounds were studied under ambient conditions. Upon UV irradiation, compound 1 exhibits a rapid and reversible color change. Compound 2, however, shows no noticeable photochromic response under similar conditions. Structural analysis indicates that strong hydrogen bonding in compound 1 contribute to its chromic stability and reversible electron transfer between electron-donating and electron-withdrawing groups. These findings highlight the importance of metal coordination environments and noncovalent interactions in the design of advanced viologen-based photochromic materials.</div></div>","PeriodicalId":13599,"journal":{"name":"Inorganica Chimica Acta","volume":"581 ","pages":"Article 122648"},"PeriodicalIF":2.7000,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganica Chimica Acta","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0020169325001148","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}

引用次数: 0

Abstract

We synthesized and structurally analyzed two new two-dimensional (2D) viologen coordination polymers, [Cd(CBbpy)(p-BDC)·H₂O]_n (1) and [Co₂(CBbpy)₂(m-BDC)(H₂O)₄·0.5(m-BDC)·2H₂O]_n (2), which originate from 1-(2-carboxyethyl)-4,4′-bipyridinium bromide (HCBbpyBr). Single-crystal X-ray diffraction analysis shows that compound 1 crystallizes within the monoclinic space group P2₁/n, whereas compound 2 crystallizes in the C2/c space group. The photochromic properties of two compounds were studied under ambient conditions. Upon UV irradiation, compound 1 exhibits a rapid and reversible color change. Compound 2, however, shows no noticeable photochromic response under similar conditions. Structural analysis indicates that strong hydrogen bonding in compound 1 contribute to its chromic stability and reversible electron transfer between electron-donating and electron-withdrawing groups. These findings highlight the importance of metal coordination environments and noncovalent interactions in the design of advanced viologen-based photochromic materials.

Abstract Image

查看原文本刊更多论文

求助全文

约1分钟内获得全文求助全文

来源期刊

Inorganica Chimica Acta 化学-无机化学与核化学

CiteScore

6.00

自引率

3.60%

发文量

440

审稿时长

35 days

期刊介绍： Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.