Theoretical kinetic study of the CH3Br+OHatmospheric system

dc.contributor.authorTzima, T. D.en
dc.contributor.authorPapavasileiou, K. D.en
dc.contributor.authorPapayannis, D. K.en
dc.contributor.authorMelissas, V. S.en
dc.date.accessioned2015-11-24T16:51:24Z
dc.date.available2015-11-24T16:51:24Z
dc.identifier.issn0301-0104-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9727
dc.rightsDefault Licence-
dc.subjectab initioen
dc.subjectmp2en
dc.subjectccsd(t)en
dc.subjectbromomethaneen
dc.subjecttsten
dc.subjecttunnelingen
dc.subjecttransition-state theoryen
dc.subjectgaussian-basis setsen
dc.subjectquadratic configuration-interactionen
dc.subjectcorrelated molecular calculationsen
dc.subjectcoupled-cluster singlesen
dc.subjectchlorine atomsen
dc.subjectabstraction reactionsen
dc.subjectorbital methodsen
dc.subjectmethyl halidesen
dc.subjectab-initioen
dc.titleTheoretical kinetic study of the CH3Br+OHatmospheric systemen
heal.abstractAb initio calculations were conducted for both reaction pathways of the CH3Br and OH system. Geometry optimization and vibrational frequencies analysis were performed for reactants, pre-reaction complex, transition states, post-reaction complex and products at the MP2(full)/6-311+G(d,p), MP2(full)/6-311+G(3df,2pd) and MP2(full)/cc-pVTZ levels of theory. Energetic results were further refined by CCSD(T,full) calculations, using optimized geometric parameters of the MP2(full)/cc-pVTZ level, i.e., CCSD(T,full)/ccpVTZ//MP2(full)/cc-pVTZ. Based on MP2(full)/cc-pVTZ and CCSD(T,full)/cc-pVTZHMP2(full)/cc-pVTZ data, rate constants were deduced in the 200-2000 K temperature range, using conventional transition state theory and Wigner tunneling correction. Calculated rate constants, including tunneling corrections, were found to be in excellent agreement with experimental results. (c) 2005 Elsevier B.V. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.chemphys.2005.11.021-
heal.identifier.secondary<Go to ISI>://000238272100036-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0301010405006129/1-s2.0-S0301010405006129-main.pdf?_tid=96fcc5ba-3581-11e3-88cd-00000aacb35f&acdnat=1381831825_4be9d4badd240a7a478584c274f4cf4d-
heal.journalNameChemical Physicsen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2006-
heal.publisherElsevieren
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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