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  Structural and Spectroscopic Investigation of an Anilinosalen Cobalt Complex with Relevance to Hydrogen Production

Kochem, A., Thomas, F., Jarjayes, O., Gellon, G., Philouze, C., Weyhermüller, T., et al. (2013). Structural and Spectroscopic Investigation of an Anilinosalen Cobalt Complex with Relevance to Hydrogen Production. Inorganic Chemistry, 52(24), 14428-14438. doi:10.1021/ic402818g.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0007-CE32-9 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0007-CE33-8
Genre: Zeitschriftenartikel

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 Urheber:
Kochem, Amélie1, Autor           
Thomas, Fabrice2, Autor
Jarjayes, Olivier2, Autor
Gellon, Gisèle2, Autor
Philouze, Christian2, Autor
Weyhermüller, Thomas1, Autor           
Neese, Frank1, Autor           
van Gastel, Maurice1, Autor           
Affiliations:
1Research Department Neese, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023886              
2Département de Chimie Moléculaire-Chimie Inorganique redox Biomimétique (CIRE)−UMR CNRS 5250, Université J. Fourier, B. P. 53, 38041 Grenoble cedex 9, France, ou_persistent22              

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 Zusammenfassung: A Co(II) anilinosalen catalyst containing proton relays in the first coordination sphere has been synthesized that catalyzes the electrochemical production of hydrogen from acid in dichloromethane and acetonitrile solutions. The complex has been spectroscopically and theoretically characterized in different protonation and redox states. We show that both coordinated anilido groups of the neutral Co(II) complex can be protonated into aniline form. Protonation induces an anodic shift of more than 1 V of the reduction wave, which concomitantly becomes irreversible. Hydrogen evolution that originates from the aniline protons located in the first coordination sphere is observed upon bulk electrolysis at −1.5 V of the protonated complex in absence of external acid. Structures for intermediates in the catalytic reaction have been identified based on this data.

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Sprache(n): eng - English
 Datum: 2013-11-112013-11-222013-12-16
 Publikationsstatus: Erschienen
 Seiten: 11
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1021/ic402818g
 Art des Abschluß: -

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Titel: Inorganic Chemistry
  Kurztitel : Inorg. Chem.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Washington, DC : American Chemical Society
Seiten: - Band / Heft: 52 (24) Artikelnummer: - Start- / Endseite: 14428 - 14438 Identifikator: ISSN: 0020-1669
CoNE: https://pure.mpg.de/cone/journals/resource/0020-1669