FEMTOSECOND REACTION DYNAMICS IN MACROCLUSTERS - EFFECT OF SOLVATION ON WAVE-PACKET MOTION

被引：110
|
作者：
POTTER, ED [1 ]
LIU, Q [1 ]
ZEWAIL, AH [1 ]
机构：
[1] CALTECH,ARTHUR AMOS NOYES LAB CHEM PHYS,PASADENA,CA 91125
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 200卷 / 06期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0009-2614(92)80098-V
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The dynamics of I2 dissociation and recombination (caging) in a macrocluster are reported, covering the femtosecond to picosecond time domain. Both the exit-channel and recombination dynamics are observed and related to solute-solvent interactions. The dissociation involves bond breakage on bound/repulsive potentials with concomitant evaporation of the solvent shell. The caging is accompanied by relaxation of the system and/or diffusion of the free iodine atoms prior to reforming the I2 bond. Molecular dynamics are used to compare with experiments.
引用
收藏
页码：605 / 614
页数：10
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