Syntheses, Spectroscopic Properties and THz Time Domain Spectroscopy of Two Copper(I) Complexes Based on N-Donor and P-Donor Ligands

被引:2
|
作者
Pan Xun [1 ]
Kuang Xiao-Nan [1 ]
Zhu Ning [1 ]
Ren Zhi-Gang [2 ]
Yang Yu-Ping [3 ]
Xin Xiu-Lan [4 ]
Li Zhong-Feng [1 ]
Han Hong-Liang [1 ]
Jin Qiong-Hua [1 ]
机构
[1] Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
[2] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Jiangsu, Peoples R China
[3] Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
[4] Beijing Technol & Business Univ, Sch Food & Chem Engn, Beijing 100048, Peoples R China
关键词
copper(I) complex; fluorescence; terahertz spectra; 2,2 '-bipyridine; N; N-bis((diphenylphosphino)methyl)-2-pyridinamine; SILVER(I) COMPLEXES; LUMINESCENT PROPERTIES; DINUCLEAR; SPECTRA;
D O I
10.11862/CJIC.2019.026
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two novel copper(I) complexes [Cu(bdppmapy)(2,2'-bipy)]BF4 (1) and [Cu(bdppmapy)(2,2'-bipy)]I (2) (2,2'-bipy=2,2'-bipyridine, bdppmapy=N,N-bis((diphenylphosphino)methyl)-2-pyridinamine) have been synthesized in mixed solvents of CH3OH and CH2Cl2 (1:1, V/V) and characterized by single-crystal X-ray diffraction, elemental analysis, IR, H-1 NMR and P-31 NMR spectroscopy, fluorescence spectra and THz time domain spectroscopy (THzTDS). Complex 1, a mononuclear complex, was generated by the reaction of [Cu(CH3CN)(4)]BF4 and bdppmapy with 2,2'-bipy in 1:1:1 molar ratio. In complex 1, the central Cu(I) forms a distorted tetrahedral geometry by coordinating with the diphosphine ligand (bdppmapy) and chelating N-donor ligand (2,2'-bipy). Like 1, 2 was obtained by the reaction of CuI and bdppmapy with 2,2'-bipy in 1:1:1 molar ratio. In the asymmetric unit of 2, the bdppmapy and 2,2'-bipy ligands chelate central Cu(I), respectively. The luminescent spectra show that the emission mechanism is metal-to-ligand charge transfer (MLCT). The application of terahertz time-domain spectroscopy also provides useful information for the research of complexes.
引用
收藏
页码:361 / 368
页数:8
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