期刊
JOURNAL OF MOLECULAR SPECTROSCOPY
卷 233, 期 1, 页码 15-22出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jms.2005.05.011
关键词
laser jet spectroscopy; fluorescence depletion spectroscopy; anthracene derivatives; methyl group internal rotation dynamics
Fluorescence excitation, dispersed fluorescence, and double resonance fluorescence depletion spectra of jet-cooled 9, 10-dimethylanthracene (DMA) have been measured. The spectra exhibit evidence of strong coupling between methyl group motion and the anthracene frame vibrations. Fluorescence depletion experiments have shown the presence of rovibronically selective intersystem crossing in DMA. The results of DFT calculations together with potential energy surface scan of the ground and lowest excited singlet state are presented. (c) 2005 Elsevier Inc. All rights reserved.
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