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1. Femtosecond dynamics of dissociation and recombination in solvent cages

Author

Liu, Qianli, Wang, Juen-Kai, and Zewail, Ahmed H.

Subjects
Chemical bonds -- Research, Chemical reactions -- Research, Iodine -- Research, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Research on the femtosecond dynamics of the dissociation of iodine encaged in argon clusters reveals the dependence of the dissociation pathway on the time-scale on bond breaking relative to the time-scale of solvent rearrangement. Iodine atoms exhibit motion on a sub-picosecond time-scale, rebounding and recombining from the frozen solvent cage, when dissociation occurs from the A-type excited electron state of I2. Collision with the argon atoms then cools the 'hot' I2 molecules.

Published
1993

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