MLCT interaction in [Rh(II)(2)(CO3)(4)](4-) (x L)

Vogler, Arnd (2015) MLCT interaction in [Rh(II)(2)(CO3)(4)](4-) (x L). INORGANIC CHEMISTRY COMMUNICATIONS, 62. pp. 5-7. ISSN 1387-7003, 1879-0259

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Abstract

Complexes of the type [Rh-2(II)(CO3)(4)(H2O)(L)](n-) with L = N-methylpyrazinium(+) and 1-heptyl-4-(4-pyridinyl)pyridinium(+) cations display intense long-wavelength (Rh(II) to L) MLCT absorptions. With L = H2O, MLCT absorptions are not identified, but the photoreactivity of the complex in aqueous solution supports the assumption that (Rh(II) to CO32-) MLCT excited states are accessible. Upon irradiation with white light, Rh(II) is photooxidized while carbonate is reduced to CO. The efficiency of this photolysis is very low. However, the occurrence of this photoredox reaction is, nevertheless, of general interest with regard to the photochemical reduction of CO2. (C) 2015 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: COMPLEXES; DIRHODIUM(II); BOND; Photochemistry; Rhodium(II); Carbonate; Photoreduction of CO2; MLCT excitation
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 02 May 2019 11:29
Last Modified: 02 May 2019 11:29
URI: https://pred.uni-regensburg.de/id/eprint/4368

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