Experimental determination and interpretation of fluorescence and fluorescence excitation spectra of 1,2-benzanthracene cooled in supersonic jet |
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Authors: | N A Borisevich G G Dyachenko V A Petukhov D I Polishchuk M A Semenov |
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Institution: | 1.Lebedev Physical Institute,Russian Academy of Sciences,Moscow,Russia;2.Moscow Institute of Physics and Technology (State University),Dolgoprudnyi, Moscow oblast,Russia |
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Abstract: | We measured the fluorescence and fluorescence excitation spectra of supersonic jet-cooled 1,2-benzanthracene. Using the MO/M8ST
method, we calculated the frequencies of in-plane vibrations in the ground and first excited singlet electronic states, and,
in the Franck-Condon approximation, we calculated the intensities of transitions between them. Experimental spectra are interpreted
based on these data. In the fluorescence excitation spectrum, the position of the line of the 0–0 transition (26535 ± 1 cm−1), which is the most intense, is determined. |
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