Spectral Hole Burning and Evidence for Vibrational Energy Migration of H-Bonded Molecules Observed With Transient Infrared Spectroscopy | Zendy

R. Laenen | Zendy; C. Rauscher | Zendy

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Spectral Hole Burning and Evidence for Vibrational Energy Migration of H-Bonded Molecules Observed With Transient Infrared Spectroscopy

Author(s) -

R. Laenen,

C. Rauscher

Publication year - 1999

Publication title -

laser chemistry

Language(s) - English

Resource type - Journals

eISSN - 1026-8014

pISSN - 0278-6273

DOI - 10.1155/1999/87642

Subject(s) - chemistry , molecule , transient (computer programming) , excitation , infrared , infrared spectroscopy , photochemistry , spectroscopy , ethanol , spectral line , vibrational energy , spectral hole burning , molecular physics , analytical chemistry (journal) , optics , organic chemistry , physics , quantum mechanics , computer science , operating system , laser , astronomy

Via intense ps-excitation of the OH-stretching vibration of ethanol diluted in CCl 4wesucceed in spectral hole burning within the inhomogeneously broadened oligomer band.The lifetime of the transient hole and the v=1-level of the OH-stetch of associatedethanol molecules are determined to be about 1.2 and 1.7 ps, respectively. Furtherdynamical features are discussed which give evidence for energy migration within theH-bonded ethanol chains and subsequent breaking of the oligomers into shorterfragments.

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