A RuII,III2 diphosphonato complex with a metal–metal bond for water oxidation

Guo Chen; Ting Fan; Bin Liu; Meng Xue; Jing-Jing Wei; Shi-Rui Kang; Hai-Xia Tong; Xiao-Yi Yi

doi:10.1039/D0DT04150E

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A Ru ^II,III₂ diphosphonato complex with a metal–metal bond for water oxidation†

Guo Chen,^a Ting Fan,

^b Bin Liu,^a Meng Xue,^a Jing-Jing Wei,^a Shi-Rui Kang,^a Hai-Xia Tong^c and Xiao-Yi Yi

*^a

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* Corresponding authors

^a College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Chemical Power Sources, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha, Hunan 410083, P. R. China
E-mail: xyyi@csu.edu.cn

^b School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510641, P. R. China

^c School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, P. R. China

Abstract

Unlike [Ru₂(μ-O₂CCH₃)₄], the structurally analogous water-soluble Ru^II,III₂ diphosphonato complex K₃[Ru₂(hedp)₂(H₂O)₂] (K₃·1) is only involved in stoichiometric water oxidation with a maximum 67% O₂ yield under CAN/HNO₃ solution (pH 1.0) for 2.5 h. The water oxidation mechanism and intermediate products were ascertained by UV-vis, ESI-MS and DFT calculation.

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Article information

DOI: https://doi.org/10.1039/D0DT04150E
Article type: Communication
Submitted: 06 Dec 2020
Accepted: 19 Jan 2021
First published: 20 Jan 2021

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Dalton Trans., 2021,50, 2018-2022

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A Ru^II,III₂ diphosphonato complex with a metal–metal bond for water oxidation

G. Chen, T. Fan, B. Liu, M. Xue, J. Wei, S. Kang, H. Tong and X. Yi, Dalton Trans., 2021, 50, 2018 DOI: 10.1039/D0DT04150E

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