Photoreactivity of tricarbonyl(cyclohexadienyl)iron cation in aqueous solution. Protonation induced by metal-to-ligand charge transfer excitation

Kunkely, Horst and Vogler, Arnd (2003) Photoreactivity of tricarbonyl(cyclohexadienyl)iron cation in aqueous solution. Protonation induced by metal-to-ligand charge transfer excitation. INORGANIC CHEMISTRY COMMUNICATIONS, 6 (7). pp. 830-832. ISSN 1387-7003

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Abstract

The complex [(C6H7)Fe(CO)(3)](+) in aqueous solution undergoes a photodecomposition which leads to the formation of cyclohexadiene and Fe2+ with a quantum yield of phi = 0.32 at lambda(irr) = 280 nm. It is suggested that the reactive excited state is of the (Fe-->C6H7) metal-to-ligand charge transfer (MLCT) type. MLCT excitation facilitates an electrophilic addition of a proton at the C6H7 ligand while in the ground state a nucleophilic attack is favoured. (C) 2003 Elsevier Science B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: PHOTOCHEMICAL-REACTIONS; ORGANYL COMPLEXES; OLEFINS; 1,3-CYCLOHEXADIENE; (E)-1,3,5-HEXATRIENE; DIENES; electronic spectra; charge transfer; photochemistry; iron complexes; cyclohexadienyl complexes
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler
Depositing User: Dr. Gernot Deinzer
Date Deposited: 10 Aug 2021 13:37
Last Modified: 10 Aug 2021 13:37
URI: https://pred.uni-regensburg.de/id/eprint/38858

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