Quasielastic neutron scattering experiments including activation energies and mathematical modeling of methyl halide dynamics

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dc.contributor.authorKirstein, Oen_AU
dc.contributor.authorPrager, Men_AU
dc.contributor.authorGrimm, Hen_AU
dc.contributor.authorBuchsteiner, Aen_AU
dc.contributor.authorWischnewski, Aen_AU
dc.date.accessioned2008-04-24T02:09:00Zen_AU
dc.date.accessioned2010-04-30T05:02:51Zen_AU
dc.date.available2008-04-24T02:09:00Zen_AU
dc.date.available2010-04-30T05:02:51Zen_AU
dc.date.issued2007-09-07en_AU
dc.date.statistics2007-09en_AU
dc.description.abstractQuasielastic neutron scattering experiments were carried out using the multichopper time-of-flight spectrometer V3 at the Hahn-Meitner Institut, Germany and the backscattering spectrometer at Forschungszentrum Julich, Germany. Activation energies for CH3X, X=F, Cl, Br, and I, were obtained. In combination with results from previous inelastic neutron scattering experiments the data were taken to describe the dynamics of the halides in terms of two different models, the single particle model and the coupling model. Coupled motions of methyl groups seem to explain the dynamics of the methyl fluoride and chloride; however, the coupling vanishes with the increase of the mass of the halide atom in CH3Br and CH3I. © 2007, American Institute of Physicsen_AU
dc.identifier.articlenumber94504en_AU
dc.identifier.citationKirstein, O., Prager, M., Grimm, H., Buchsteiner, A., & Wischnewski, A. (2007). Quasielastic neutron scattering experiments including activation energies and mathematical modeling of methyl halide dynamics. Journal of Chemical Physics, 127(9), 094504. doi:10.1063/1.2760205en_AU
dc.identifier.govdoc1181en_AU
dc.identifier.issn0021-9606en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleJournal of Chemical Physicsen_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.2760205en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1123en_AU
dc.identifier.volume127en_AU
dc.language.isoenen_AU
dc.publisherAmerican Institute of Physicsen_AU
dc.subjectCrystal structureen_AU
dc.subjectRotationen_AU
dc.subjectBromidesen_AU
dc.subjectIodidesen_AU
dc.subjectScatteringen_AU
dc.subjectMathematical modelsen_AU
dc.titleQuasielastic neutron scattering experiments including activation energies and mathematical modeling of methyl halide dynamicsen_AU
dc.typeJournal Articleen_AU
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