Hydroxide Anion Attack Governs O-O Bond Formation in Water Oxidation Catalysed by a Mononuclear Manganese Complex

Qinyi Huo; Morteza Jamshidi; Zhuofei Liu; Matthew Longhurst; Rob Stranger; Alireza Ariafard

doi:10.1039/d6dt00843g

January 1, 2026Dalton Transactions

Hydroxide Anion Attack Governs O-O Bond Formation in Water Oxidation Catalysed by a Mononuclear Manganese Complex

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Key Points

This research seeks to clarify the mechanism of O-O bond formation during water oxidation catalyzed by a manganese complex under basic conditions.
Experimental observation of water oxidation using mononuclear Mn(II) complex [{Py₂N(tBu)₂}Mn(H₂O)₂]²⁺.
Conducted experiments at pH = 12.2 to assess the effects of hydroxide anions.
Analyzed the mechanism of the electrocatalytic process.
Water oxidation successfully occurs under strongly basic conditions (pH = 12.2).
Hydroxide anion attack is confirmed as a governing mechanism in O-O bond formation.

Implication

Demonstrates the mechanism of O-O bond formation in water oxidation, suggesting efficient electrocatalysis for energy applications.

Abstract

Electrocatalytic water oxidation by the mononuclear Mn(II) pyridinophane complex [{Py₂N(tBu)₂}Mn(H₂O)₂]²⁺ has been experimentally observed to occur under strongly basic conditions (pH = 12.2). In this work, the mechanism of this...

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Cite This Study

Huo et al. (2026) studied this question.

synapsesocial.com/papers/6a28ff6a6f82f25be989c56b https://doi.org/10.1039/d6dt00843g

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Hydroxide Anion Attack Governs O-O Bond Formation in Water Oxidation Catalysed by a Mononuclear Manganese Complex

Key Points

Implication

Abstract

Discussion

Cite This Study

Hydroxide Anion Attack Governs O-O Bond Formation in Water Oxidation Catalysed by a Mononuclear Manganese Complex

Key Points

Implication

Abstract

Discussion

Cite This Study

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