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Picosecond Photofragmentation of Tri- and Tetraatomlc Molecules: Measurement of "State-to-State" Reaction Rates

Knee, J. L. and Khundkar, L. R. and Zewail, Ahmed H. (1985) Picosecond Photofragmentation of Tri- and Tetraatomlc Molecules: Measurement of "State-to-State" Reaction Rates. Journal of Physical Chemistry, 89 (22). pp. 4659-4663. ISSN 0022-3654. doi:10.1021/j100268a001.

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In this Letter, we report our first results on the picosecond measurements of state-to-state rates of reactions, involving three and four-atom molecules. These photofragment reactions are ICN → I + CN and NCNO → NO + CN. In these experiments, we use one picosecond pulse to initiate the photolysis and a second pulse to probe the produced fragments in their internal vibrational/rotational states. Results are presented for molecules in bulbs and beams, and comparisons with unimolecular theories are given.

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Additional Information:© 1985 American Chemical Society. Received: August 19, 1985. This work was supported by a grant from the National Science Foundation. We thank Prof. C. Wittig, Dr. H. Reisler, and Dr. M. Noble for many helpful discussions on the preparation of NCNO and phase space calculations. A.H.Z. acknowledges many stimulating discussions with Prof. R. Bernstein-near the French Alps.
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Arthur Amos Noyes Laboratory of Chemical Physics7301
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Official Citation:Picosecond photofragmentation of tri- and tetraatomic molecules: measurement of "state-to-state" reaction rates J. L. Knee, L. R. Khundkar, and Ahmed H. Zewail The Journal of Physical Chemistry 1985 89 (22), 4659-4663 DOI: 10.1021/j100268a001
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70469
Deposited By: Ruth Sustaita
Deposited On:30 Sep 2016 17:26
Last Modified:11 Nov 2021 04:29

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