Citation: 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. doi: 10.11862/CJIC.2019.026 shu

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

1.
Department of Chemistry, Capital Normal University, Beijing 100048, China
2.
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
3.
School of Science, Minzu University of China, Beijing 100081, China
4.
School of Food and Chemical Engineering, Beijing Technology and Business University, Beijing 100048, China

Corresponding author: JIN Qiong-Hua, jinqh@cnu.edu.cn
Received Date: 26 October 2018
Revised Date: 23 November 2018

Figures(8)

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.
- copper(Ⅰ) complex,
- fluorescence,
- terahertz spectra,
- 2, 2'-bipyridine,
- N, N-bis((diphenylphosphino)methyl)-2-pyridinamine
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沈阳化工大学材料科学与工程学院沈阳 110142