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Acentric Polymeric Chains in Radical Cation Salts of Tetrathiafulvalene Derivatives with the p-Carboxybenzenesulfonate Anion

Abstract :

The noncentrosymmetric p-carboxybenzenesulfonate anion afforded, in electro-oxidation experiments with bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF), the low-gap semiconductor (room-temperature conductivity: 18 S cm–1) mixed-valency salt BEDT-TTF2[O3S-C6H4-CO2H], which is noncentrosymmetric due to head-to-tail arrangement of the anions, whereas EDT-TTF-CONHMe (EDT-TTF = ethylenedithiotetrathiafulvalene) afforded the fully oxidized centrosymmetric salt [EDT-TTF-CONHMe+][HO2C-C6H4-SO3–] in which the driving force for the crystal packing is the existence of strong hydrogen-bonding interactions between the anions and the amido groups of the cations.

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https://hal.univ-angers.fr/hal-03343370
Contributeur : Okina Université d'Angers <>
Soumis le : mardi 14 septembre 2021 - 10:29:51
Dernière modification le : mercredi 15 septembre 2021 - 03:27:15

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Youssef Lakhdar, Abdelkrim El-Ghayoury, Leokadiya Zorina, Nicolas Mercier, Magali Allain, et al.. Acentric Polymeric Chains in Radical Cation Salts of Tetrathiafulvalene Derivatives with the p-Carboxybenzenesulfonate Anion. European Journal of Inorganic Chemistry, 2010, pp.3338 - 3342. ⟨10.1002/ejic.200900876⟩. ⟨hal-03343370⟩

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