Tetrathiafulvalene and bis(ethylenedithio)tetrathiaful-valene radical-cation salts of the a-Keggin anion [PMo12O40] have been synthesized and characterized. They both are mixed-valence compounds and contain the paramagnetic anion [PMO12O40] 4-. The former contains irregular TTF ?+ chains isolated by the inorganic anions. From the IR spectrum a ?=+0.5 is suggested. The latter is two-dimensional, where BEDT-TTF molecules are ionised, ?=+0.5, and arranged in irregular chains. They show electrical conductivity typical of organic semiconductors.
Synthesis and Physical Properties of two Organic Donor Derivatives of 12-Molybdophosphate Anion [PMO12O40] n-: New Examples of Mixed-Valence Organic Donor-Inorganic Acceptor Compounds
D Attanasio;C Bellitto
;G Righini;
1992
Abstract
Tetrathiafulvalene and bis(ethylenedithio)tetrathiaful-valene radical-cation salts of the a-Keggin anion [PMo12O40] have been synthesized and characterized. They both are mixed-valence compounds and contain the paramagnetic anion [PMO12O40] 4-. The former contains irregular TTF ?+ chains isolated by the inorganic anions. From the IR spectrum a ?=+0.5 is suggested. The latter is two-dimensional, where BEDT-TTF molecules are ionised, ?=+0.5, and arranged in irregular chains. They show electrical conductivity typical of organic semiconductors.File in questo prodotto:
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