Fluorescence excitation spectroscopy of octatetraene-Xe van der Waals clusters

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Fluorescence excitation spectrum of the trans,trans-1,3,5,7-octatetraene(OT)-Xe van der Waals clusters formed in supersonic jet expansions has been obtained. The transition lines corresponding to the van der Waals clusters of OT with Xe are observed in the lower frequency side of the OT band origin. Based on the spectral shifts, fluorescence lifetimes, and concentration dependence of the peak intensities, most of the transition lines are assigned to the OT-Xe-n (n = 1, 2, 3, 4) clusters. Long progressions of a van der Waals vibrational mode are observed for n = 1. 2. 3 and 4 clusters and assigned to rocking of the OT moiety with respect to the Xe atom with the help of ab initio quantum mechanical calculation.
Publisher
KOREAN CHEMICAL SOC
Issue Date
2002
Language
English
Article Type
Article
Keywords

STATE; TRANS,TRANS-1,3,5,7-OCTATETRAENE; ATOMS

Citation

BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.23, no.2, pp.195 - 200

ISSN
0253-2964
URI
http://hdl.handle.net/10203/14360
Appears in Collection
CH-Journal Papers(저널논문)
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