Fluorescence excitation spectrum of jet-cooled dihydroanthracene

Chakraborty, Tapas ; Chowdhury, Mihir (1990) Fluorescence excitation spectrum of jet-cooled dihydroanthracene Chemical Physics Letters, 171 (1-2). pp. 25-28. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0009-2614(90)80044-E


The lowest excited singlet site of 9,10-dihydroanthracene has been studied by supersonic-jet laser spectroscopy. The spectrum consists of a number of prominent low-frequency vibronic bands near the 0—0 band followed by a structureless continuum. The low-frequency vibronic bands are nicely fitted with a quadratic Gaussian-type potential for the excited stated. The height of the barrier of the double-minimum potential is found to be 94 cm-1.

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