基于双膦配体、氮配体的两个铜(Ⅰ)配合物的合成、光谱学性质和太赫兹时域光谱
Syntheses, Spectroscopic Properties and Terahertz Time Domain Spectroscopy of Two Copper(Ⅰ) Complexes Based on Diphosphine Ligands and N-Donor Ligands
作者单位E-mail
李紫曦 首都师范大学化学系, 北京 100048  
胡聪 首都师范大学化学系, 北京 100048  
孙振洲 首都师范大学化学系, 北京 100048  
李晓奇 首都师范大学化学系, 北京 100048  
韩洪亮 首都师范大学化学系, 北京 100048  
杨玉平 中央民族大学理学院, 北京 100081  
辛秀兰 北京工商大学食品与健康学院, 北京 100048  
金琼花 首都师范大学化学系, 北京 100048 jinqh@cnu.edu.cn 
摘要: 在甲醇和二氯甲烷的混合溶剂中合成了2个新的铜(Ⅰ)配合物:[Cu(dppp)(Bphen)]Cl·1.8CH3OH(1)和[Cu2(CN)2(dppp)(dmp)2]·2.5CH3OH(2)(dppp=1,3-双(二苯基膦基)丙烷,Bphen=4,7-二苯基-1,10-菲咯啉,dmp=2,9-二甲基-1,10-菲咯啉),并通过X射线单晶衍射、元素分析、红外光谱、核磁共振氢谱及磷谱、荧光光谱和太赫兹时域光谱对2个配合物进行了分析和表征。单晶结构表明配合物1是以Cu(Ⅰ)为中心,Bphen和dppp为配体,螯合形成的扭曲四面体结构。配合物2则是由CuCN、dppp和dmp以2:1:2的比例混合得到。配合物2的双膦配体的2个膦基分别与2个Cu(Ⅰ)形成配位键,每个Cu(Ⅰ)又分别与1个氰根和1个dmp配位。发光光谱表明配合物12所有的发射峰来源于金属-配体电荷迁移(MLCT)。太赫兹时域光谱对配合物12的研究提供了帮助。
关键词: 铜(Ⅰ)配合物  二亚胺  双膦  荧光光谱  太赫兹技术
基金项目: 国家自然科学基金(No.21171119,11574408,1376008)和北京市自然科学基金(No.2172017)资助。
Abstract: Two novel Cu(Ⅰ) complexes,[Cu(dppp) (Bphen)]Cl·1.8CH3OH (1) and[Cu2(CN)2(dppp)(dmp)2]·2.5CH3OH(2) (dppp=1,3-bis(diphenylphosphanyl) propane, Bphen=4,7-diphenyl-1,10-diazaphenanthrene, dmp=2,9-dimethyl-1, 10-phenanthroline), have been synthesized in a mixture of CH3OH and CH2Cl2 and characterized by single-crystal X-ray diffraction, elemental analysis, IR, 1H NMR and 31P NMR spectroscopy, fluorescence spectra and terahertz time-domain spectroscopy (THz-TDS). The single crystal X-ray diffraction shows that complex 1 is a distorted tetrahedral structure with copper as the center, Bphen and dppp as the chelating ligands. Complex 2 is obtained by mixing CuCN, dppp and dmp in a ratio of 2:1:2. The two phosphates of complex 2 form coordination bonds with two Cu(Ⅰ), and each copper coordinates with a cyanogen and a dmp, respectively. The luminescent spectra show that the emission mechanism of complexes 1 and 2 are metal-to-ligand charge transfer (MLCT). The application of THz-TDS also supports to the study of both the complexes.
Keywords: copper(Ⅰ) complex  diimine  diphosphine  luminescent spectra  terahertz technology
投稿时间:2021-03-21 修订日期:2021-06-25
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李紫曦,胡聪,孙振洲,李晓奇,韩洪亮,杨玉平,辛秀兰,金琼花.基于双膦配体、氮配体的两个铜(Ⅰ)配合物的合成、光谱学性质和太赫兹时域光谱[J].无机化学学报,2021,37(8):1504-1512.
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