Triplet π→π* transitions in thiophene,furan and pyrrole by low-energy electron-impact spectroscopy |
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| Authors: | EH Van Veen |
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| Institution: | Department of Theoretical Organic Chemistry, University of Leyden, Leyden, The Netherlands |
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| Abstract: | Low-energy (0–3 V above threshold) electron-impact excitation spectra and transmission spectra are presented for thiophene, furan and pyrrole. For each molecule two low-lying triplet states are reported. An additional new transition has been observed in thiophene at 6.5 eV. Assignments are suggested for some of the observed direct and resonance excitation processes. |
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