Proton addition to excited diazaphenanthrenes topology determined molecular properties |
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| Authors: | Jacek Waluk Anna Grabowska Barbara Pakulstroka |
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| Institution: | Institute of Physical Chemistry, Polish Academy of Science, 44, Kasprzaka, Warsaw, Poland |
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| Abstract: | Absorption and luminescence spectra, depopulation kinetics of the lowest excited singlet and triplet states and acid-base equilibria were investigated for neutral and protonated diazaphenanthrenes: 2,3-, 1,4- and 5,6-DAF. The spectroscopical results are correlated with CNDO/S calculations. Profound influence of topology upon photophysical and chemical (basicity) properties has been stated and discussed. |
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