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New π-electron donor (1,4-thioxane-2,3-diyldithio)ethylenedithiotetrathiafulvalene (ETOEDT-EDT-TTF) and its derivatives. Synthesis and characterization |
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| Authors: | Boles?aw Barszcz George Soras Nikos Psaroudakis |
| Affiliation: | a Institute of Molecular Physics, Polish Academy of Sciences, ul. M. Smoluchowskiego 17, 60-179 Poznań, Poland b Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., 116-35 Athens, Greece c Chemical Department, University of Athens, University Campus, 157-71 Athens, Greece |
| Abstract: | We report more efficient way for the synthesis of 4,5-(1,4-oxathiane-2,3-diyldithio)-1,3-dithiole-2-thione and three new TTF-derived nonsymmetrical electron donors: the (1,4-thioxane-2,3-diyldithio)ethylenedithiotetrathiafulvalene (ETOEDT-EDT-TTF), (1,4-thioxane-2,3-diyldithio)propylenedithiotetrathiafulvalene (ETOEDT-PDT-TTF), and (1,4-thioxane-2,3-diyldithio)dimethylenedithiotetrathiafulvalene (ETOEDT-DMDT-TTF). For the first time we also present extended studies of the molecular structure, vibrational and electronic excitations of the donors. Based on theoretical and experimental Raman and infrared spectra as well as analysis of electron excitations of three new TTF-derived donors their spectral properties were described and discussed. |
| Keywords: | A. Organic compounds B. Chemical synthesis C. Ab initio calculations C. Infrared spectroscopy C. Raman spectroscopy |
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