Infrared photodissociation of van der Waals molecules containing ethylene
10.1063/1.441712
Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Vibrational predissociation line shapes in the ν7 region of the ethylene spectrum are measured for van der Waals molecules of ethylene bound to Ne, Ar, Kr, C2H4, C2F4, and larger ethylene clusters. The predissociative rate is very fast for this group of molecules. The vibrationally excited state lifetimes are 0.44, 0.59 and 0.89×10−12 sec for (C2H4)2, Ar⋅C2H4, and C2H4⋅C2F4 respectively. That the observed line shapes are homogeneous is demonstrated by the fact that a low-power, narrow frequency bandwidth laser can dissociate a large fraction of the initial ensemble of ethylene clusters. The observed transition probability is proportional to the number of ethylene subunits for clusters containing three or fewer ethylene subunits. These observations are interpreted in terms of intramolecular energy flow directly from ethylene ν7 to the weak van der Waals modes of motion.

Bibliography

Casassa, M. P., Bomse, D. S., & Janda, K. C. (1981). Infrared photodissociation of van der Waals molecules containing ethylene. The Journal of Chemical Physics, 74(9), 5044–5056.

Authors 3
  1. Michael P. Casassa (first)
  2. David S. Bomse (additional)
  3. Kenneth C. Janda (additional)
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Dates
Type When
Created 22 years, 6 months ago (Feb. 28, 2003, 10:46 a.m.)
Deposited 1 year, 6 months ago (Feb. 9, 2024, 5:31 p.m.)
Indexed 1 year ago (Aug. 22, 2024, 3:30 p.m.)
Issued 44 years, 4 months ago (May 1, 1981)
Published 44 years, 4 months ago (May 1, 1981)
Published Print 44 years, 4 months ago (May 1, 1981)
Funders 0

None

@article{Casassa_1981, title={Infrared photodissociation of van der Waals molecules containing ethylene}, volume={74}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.441712}, DOI={10.1063/1.441712}, number={9}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Casassa, Michael P. and Bomse, David S. and Janda, Kenneth C.}, year={1981}, month=may, pages={5044–5056} }