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This donor was efficiently prepared by the homocoupling of 5,6\u2010thieno[2,3\u2010<jats:italic>d<\/jats:italic>]\u20101,3\u2010dithiol\u20102\u2010one, and its redox properties are intermediate between those of DT\u2010TTF (dithiophene\u2010tetrathiafulvalene) and BET\u2010TTF [bis(ethylenethio)tetrathiafulvalene]. The crystal structure of \u03b1\u2010DT\u2010TTF shows a molecular packing composed of trios of donor chains with alternating orientation. This pattern is clearly distinct from those previously found in all other thiophenic TTF donors. Used as an active material in a field\u2010effect transistor, \u03b1\u2010DT\u2010TTF presents a mobility <jats:italic>\u03bc<\/jats:italic><jats:sub>FE<\/jats:sub> = 5\u2009\u00d7\u200910<jats:sup>\u20135<\/jats:sup> cm<jats:sup>2<\/jats:sup>\/V\u2009s. The possibility to convert this new donor to conducting charge\u2010transfer salts with suitable anions was demonstrated by preparing its PF<jats:sub>6<\/jats:sub><jats:sup>\u2013<\/jats:sup> salts. Two salts with different crystal structures and stoichiometries were identified by X\u2010ray diffraction studies: (\u03b1\u2010DT\u2010TTF)(PF<jats:sub>6<\/jats:sub>)<jats:sub>0.6<\/jats:sub> and (\u03b1\u2010DT\u2010TTF)<jats:sub>2<\/jats:sub>(PF<jats:sub>6<\/jats:sub>). The electrical conductivities of these salts, measured in the single crystal, range from 9 to 50 S\/cm at room temperature. In all cases, the salts show a semiconducting behaviour and properties that are comparable to those of the analogous nonaromatic BET\u2010TTF salts.<\/jats:p>","DOI":"10.1002\/ejic.201201362","type":"journal-article","created":{"date-parts":[[2013,3,1]],"date-time":"2013-03-01T13:54:39Z","timestamp":1362146079000},"page":"2440-2446","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["\u03b1\u2010Dithiophene\u2010tetrathiafulvalene \u2013 a Detailed Study of an Electronic Donor and Its Derivatives"],"prefix":"10.1002","volume":"2013","author":[{"given":"Rafaela A. 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