基于4,5-咪唑二羧酸配体镉配位化合物的制备及性能

doi:10.16553/j.cnki.issn1000-985x.2024.0230

人工晶体学报 ›› 2025, Vol. 54 ›› Issue (1): 121-125.DOI: 10.16553/j.cnki.issn1000-985x.2024.0230

基于4,5-咪唑二羧酸配体镉配位化合物的制备及性能

李苗, 郑易萌, 孙已婷, 毛玉玲, 朱百丽, 崔术新

牡丹江师范学院化学化工学院,牡丹江 157011

收稿日期:2024-09-21 出版日期:2025-01-15 发布日期:2025-01-22
通信作者: 朱百丽,助理实验师。E-mail:zhubl79@163.com
作者简介:李苗(2004—),女,黑龙江省人。E-mail:m13845975174@163.com
基金资助:
黑龙江省省属高等学校基本科研业务费科研项目(1453QN018,1452TD016);黑龙江省自然科学基金(SS2023B003);黑龙江省课程思政高质量建设项目(KCSZAL-2022007);大学生创新创业训练计划项目(202310233081,202310233003,202310233004)

Preparation and Properties of a Cadmium Coordination Compound with 4,5-Imidazoledicarboxylic Acid

LI Miao, ZHENG Yimeng, SUN Yiting, MAO Yuling, ZHU Baili, CUI Shuxin

College of Chemistry and Chemical Engineering, Mudanjiang Normal University, Mudanjiang 157011, China

Received:2024-09-21 Online:2025-01-15 Published:2025-01-22

摘要/Abstract

摘要： 以4,5-咪唑二羧酸(H₃IDC)和四水合硝酸镉(Cd(NO₃)₂·4H₂O)为原料,采用水热法制备了配合物{[Cd(H₂IDC)₂(H₂O)₂]·2H₂O}_n (1)。采用单晶X射线衍射(SXRD)、傅里叶变换红外光谱(FT-IR)、热重分析(TGA)、荧光光谱(FL)对配合物1进行结构测定和表征。SXRD分析表明,配合物1属于单斜晶系P2₁/n空间群。在配合物1中,Cd(II)离子与H₂IDC^-阴离子和水分子配位形成六配位的八面体构型,并通过氢键进一步扩展形成三维结构。室温下的荧光光谱分析表明,当激发波长为296 nm时,配合物1在598 nm处有最强的发射峰。

关键词: Cd(II)配合物, 4,5-咪唑二羧酸, 水热合成, 晶体结构, 荧光性能

Abstract: The compound {[Cd(H₂IDC)₂(H₂O)₂]·2H₂O}_n (1) was synthesized via a hydrothermal method, utilizing 4,5-imidazoledicarboxylic acid (H₃IDC) and Cd(NO₃)₂·4H₂O as raw materials. Single crystal X-ray diffraction (SXRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), and fluorescence spectroscopy (FL) were employed to ascertain and elucidate the structure of compound 1. SXRD analysis reveals that compound 1 categorized under the P2₁/n space group of monoclinic crystal system. In compound 1, Cd(II) ions coordinate with H₂IDC^- anions and water molecules to form a six-coordinated octahedral configuration, which is further extended into a three-dimensional structure through hydrogen bonding. Fluorescence spectrum analysis at room temperature indicates that compound 1 exhibits the most intense emission peak at 598 nm when excited at a wavelength of 296 nm.

Key words: Cd(II) complex, 4,5-imidazoledicarboxylic acid, hydrothermal synthesis, crystal structure, fluorescence property

中图分类号:

O641.4

李苗, 郑易萌, 孙已婷, 毛玉玲, 朱百丽, 崔术新. 基于4,5-咪唑二羧酸配体镉配位化合物的制备及性能[J]. 人工晶体学报, 2025, 54(1): 121-125.

LI Miao, ZHENG Yimeng, SUN Yiting, MAO Yuling, ZHU Baili, CUI Shuxin. Preparation and Properties of a Cadmium Coordination Compound with 4,5-Imidazoledicarboxylic Acid[J]. Journal of Synthetic Crystals, 2025, 54(1): 121-125.

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基于4,5-咪唑二羧酸配体镉配位化合物的制备及性能

Preparation and Properties of a Cadmium Coordination Compound with 4,5-Imidazoledicarboxylic Acid

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