Inorganic Chemistry
Inorganic Chemistry
5 years ago

Mechanistic Insight into Reversible Core Structural Changes of Dinuclear μ-Hydroxoruthenium(II) Complexes with a 2,8-Di-2-pyridyl-1,9,10-anthyridine Backbone Prior to Water Oxidation Catalysis

Mechanistic Insight into Reversible Core Structural Changes of Dinuclear μ-Hydroxoruthenium(II) Complexes with a 2,8-Di-2-pyridyl-1,9,10-anthyridine Backbone Prior to Water Oxidation Catalysis
Kenji Saito, Masayuki Yagi, Shunsuke Watabe, Yasushi Umemura, Kosuke Takahashi, Sho Nagai, Masanari Hirahara, Tatsuto Yui, Taisei Sato
The structurally and functionally unusual RuII(μ-OH)RuII core complex, which is capable of catalyzing water oxidation by involving a key water insertion to the core. The water insertion to the core is very slow (∼10−6 s−1) in aqueous solution at pH 8.5−12.3, whereas the insertion of OH− ions is accelerated (10−5−10−4 s−1) above pH 13.4 by 2 orders of magnitude.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b00978

DOI: 10.1021/acs.inorgchem.7b00978

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