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Syntheses, Spectroscopic Properties and THz Time Domain Spectroscopy of Two Copper(Ⅰ) Complexes Based on N-Donor and P-Donor Ligands
Author NameAffiliationE-mail
PAN Xun Department of Chemistry, Capital Normal University, Beijing 100048, China  
KUANG Xiao-Nan Department of Chemistry, Capital Normal University, Beijing 100048, China  
ZHU Ning Department of Chemistry, Capital Normal University, Beijing 100048, China  
REN Zhi-Gang College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China  
YANG Yu-Ping School of Science, Minzu University of China, Beijing 100081, China  
XIN Xiu-Lan School of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, China  
LI Zhong-Feng Department of Chemistry, Capital Normal University, Beijing 100048, China  
HAN Hong-Liang Department of Chemistry, Capital Normal University, Beijing 100048, China  
JIN Qiong-Hua Department of Chemistry, Capital Normal University, Beijing 100048, China jinqh@cnu.edu.cn 
Abstract: 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, 1H NMR and 31P NMR spectroscopy, fluorescence spectra and THz time domain spectroscopy (THz-TDS). 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.
Keywords: copper(Ⅰ) complex  fluorescence  terahertz spectra  2,2'-bipyridine  N,N-bis((diphenylphosphino)methyl)-2-pyridinamine
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PAN Xun,KUANG Xiao-Nan,ZHU Ning,REN Zhi-Gang,YANG Yu-Ping,XIN Xiu-Lan,LI Zhong-Feng,HAN Hong-Liang,JIN Qiong-Hua.Syntheses, Spectroscopic Properties and THz Time Domain Spectroscopy of Two Copper(Ⅰ) Complexes Based on N-Donor and P-Donor Ligands[J].Chinese Journal of Inorganic Chemistry,2019,35(2):361-368.
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Chinese Journal of Inorganic Chemistry