Two broad bands were found in the LIF spectrum of the anisole.Ar complex upon excitation by stimulated emission pumping to its 782 cm-1 vibrational state. This is the first example of the direct spectroscopic observation of species formed by vibrational relaxation or predissociation in the ground electronic state of van der Waals complexes containing large organic molecules. The vibrational dynamics was found to be complete within 300 ns after the excitation.
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BRECHIGNAC P, 1987, CHEM PHYS LETT, V142, P125, DOI 10.1016/0009-2614(87)87264-0