Vinylogous Tetrathiafulvalene Based Podands: Complexation Interferences on the Molecular Movements Triggered by Electron Transfer. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Physical Chemistry B Année : 2013

Vinylogous Tetrathiafulvalene Based Podands: Complexation Interferences on the Molecular Movements Triggered by Electron Transfer.

Résumé

Substituted vinylogous tetrathiafulvalenes (TTFVs) contg. two freely moving polyoxyethyl chains were prepd. Investigations of their redox behaviors in org. solvent show that these TTFV could efficiently complex metallic dications such as Pb2+ or Ba2+, leading to considerable modifications of their electrochem. response. As main feature, the mol. senses the assocn. between the TTFV core and the metallic dication through a modification of the mol. motion triggered by the electron transfer. The complexation creates a link between the two parts of the TTFV core, causing considerable changes in the nature of the mol. motion. The resulting behavior is totally unusual as the 2-pos. charged TTFV2+ appears to present the highest assocn. consts. with the metallic dication. [on SciFinder(R)]

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Dates et versions

hal-01069966 , version 1 (30-09-2014)

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Dominique Lorcy, Michel Guerro, Jean-Francois Bergamini, Philippe Hapiot. Vinylogous Tetrathiafulvalene Based Podands: Complexation Interferences on the Molecular Movements Triggered by Electron Transfer.. Journal of Physical Chemistry B, 2013, 117, pp.5188--5194. ⟨10.1021/jp401537a⟩. ⟨hal-01069966⟩
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