ArticleThe journal of physical chemistry letters2024
The Role of the Lowest Excited Triplet State in Defining the Rate of Photoaquation of Hexacyanometalates.
Article in The journal of physical chemistry letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Photochemistry of Aromatic N-Oxides in Water Probed by Time-Resolved X-ray Absorption Spectroscopy.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Femtosecond Soft X-ray Absorption Spectroscopy Identifies Metal-Centered SJournal of the American Chemical Society · 2026Article
- Reversible single crystal photochemistry and spin state switching in a metal-cyanide complex.Nature communications · 2025Article
- Structural Control of Metal-Centered Excited States in Cobalt(III) Complexes via Bite Angle and π-π Interactions.Journal of the American Chemical Society · 2025Article
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6 authors.
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Abstract
Photosolvation is a type of ligand substitution reaction started by irradiation of a solution with light, triggering the replacement of a ligand with a molecule from the solvent. The excited state is created through many possible pathways. For the class of hexacyanides of groups 8 and 9 of the periodic table, irradiation in the ligand field band is followed by intersystem crossing to the lowest excited triplet state, which we propose to mediate the photoaquation reaction in this class of complexes. In this study, we present time-resolved X-ray absorption data showing indications of the triplet intermediate state in the cobalt(III) hexacyanide complex and we discuss general aspects of the photoaquation reaction in comparison with reported data on the isoelectronic iron(II) hexacyanide. Quantum chemical calculations are analyzed and suggest that the nature of the lowest excited triplet state in each complex can explain the drastically different rate of reactions observed.
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