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Gas phase fluorescence spectra of 15 vibronic levels in 1B2 aniline are described. The emission spectra of single vibronic levels in aniline have well separated vibrational structure. A continuum background seen in a few cases is shown to be due to sequence congestion in the absorption spectrum, not to intramolecular vibrational energy transfer.
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Chernoff et al. (1979) studied this question.
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