期刊
JOURNAL OF CHEMICAL PHYSICS
卷 133, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3475567
关键词
-
资金
- DFG [SFB755]
- Fonds der Chemischen Industrie
We computationally examine various aspects of the reaction dynamics of the photodissociation and recombination of molecular iodine. We use our recently proposed formalism to calculate time-dependent x-ray scattering signal changes from first principles. Different aspects of the dynamics of this prototypical reaction are studied, such as coherent and noncoherent processes, features of structural relaxation that are periodic in time versus nonperiodic dissociative processes, as well as small electron density changes caused by electronic excitation, all with respect to x-ray scattering. We can demonstrate that wide-angle x-ray scattering offers a possibility to study the changes in electron densities in nonperiodic systems, which render it a suitable technique for the investigation of chemical reactions from a structural dynamics point of view. (C) 2010 American Institute of Physics. [doi:10.1063/1.3475567]
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