Citation: Hui-Min LIN, Ao LI, Qi-Min XIAO, Xu-Feng LIU, Yu-Long LI, Xing-Hai LIU, Zhong-Qing JIANG. Synthesis, Characterization and Electrochemistry of 1, 2-Bis(diphenylphosphino)benzene-chelated Diiron Ethane-1, 2-dithiolate Tetracarbonyl Complex[J]. Chinese Journal of Structural Chemistry, ;2020, 39(5): 927-932. doi: 10.14102/j.cnki.0254-5861.2011-2502 shu

Synthesis, Characterization and Electrochemistry of 1, 2-Bis(diphenylphosphino)benzene-chelated Diiron Ethane-1, 2-dithiolate Tetracarbonyl Complex

a.
School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, China
b.
College of Chemistry and Environmental Engineering, SichuanUniversity of Science & Engineering, Zigong 643000, China
c.
College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
d.
Department of Physics, Key Laboratory of ATMMT Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China

Corresponding author: Xing-Hai LIU,
Received Date: 17 June 2019
Accepted Date: 2 September 2019

Fund Project: the Natural Science Foundation of Zhejiang Province LY19B020002National Natural Science Foundation of China 21501124Science & Technology Department of Sichuan Province 2018JY0235Education Department of Sichuan Province 18ZA0337Sichuan University of Science & Engineering S201910622022

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In this paper, a novel diiron ethane-1, 2-dithiolate complex [Fe₂(CO)₄{κ²-(Ph₂P)₂(1, 2-C₆H₄)}(μ-SCH₂CH₂S)] has been prepared and structurally characterized. Treatment of the parent complex [Fe₂(CO)₆(μ-SCH₂CH₂S)] with 1 equivalent of 1, 2-bis(diphenylphosphino)benzene and Me₃NO∙2H₂O as the oxidative agent gave the title complex in good yield. The title complex has been characterized by elemental analysis, IR, ¹H NMR, ³¹P{¹H} NMR, ¹³C{¹H} NMR spectroscopy, and X-ray crystallography. X-ray crystal structure of the title complex contains a butterfly diiron cluster with a bridging ethane-1, 2-dithiolate, four terminal carbonyls, and a chelating 1, 2-bis(diphenylphosphino)benzene. In addition, electrochemical studies revealed that the title complex can catalyze the reduction of protons to H₂ in the presence of acetic acid.
- diiron ethane-1,2-dithiolate,
- [FeFe]-hydrogenases,
- diphosphine ligand,
- X-ray crystallography,
- electrochemistry
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