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dc.contributor.authorRaptis, V. E.en
dc.contributor.authorMelissas, V. S.en
dc.date.accessioned2015-11-24T16:38:07Z-
dc.date.available2015-11-24T16:38:07Z-
dc.identifier.issn1520-6106-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/8003-
dc.rightsDefault Licence-
dc.subjectmolecular-dynamics simulationsen
dc.subjectalkyl functional-groupen
dc.subjecthydrocarbon separationen
dc.subjecttransport-propertiesen
dc.subjectmembrane materialsen
dc.subjectalkane moleculesen
dc.subjectmodel moleculesen
dc.subjectderivationen
dc.subjectdensityen
dc.subjectbis(trimethylsilyl)methaneen
dc.titleForce field development for poly(dimethylsilylenemethylene) with the aid of ab initio calculationsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDoi 10.1021/Jp055798t-
heal.identifier.secondary<Go to ISI>://000239309500057-
heal.identifier.secondaryhttp://pubs.acs.org/doi/pdfplus/10.1021/jp055798t-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.publicationDate2006-
heal.abstractThe molecular geometries, conformational energies, and zero-point energies of di(trimethylsilylene) methylene have been determined from high-level quantum chemistry calculations. The results are further used in the parametrization of a classical potential energy function suitable for performing simulations of the corresponding polymer, namely, poly(dimethylsilylenemethylene). Di(trimethylsilylene) methylene geometrical parameter optimizations for a proper location of the global minimum and other local minima, constrained at certain dihedral and bond angles, were performed at both the B3LYP/6-311G and MP2(full)/6-311G levels of theory. The global minimum configuration is slightly displaced from a perfectly staggered geometry, approximately by 16.0 degrees, at both levels of theory. Molecular mechanics and Monte Carlo calculations for isolated polymer chains together with molecular dynamics runs for the modeled dimer provide very good results in terms of conformational and thermodynamic properties.en
heal.publisherAmerican Chemical Societyen
heal.journalNameJournal of Physical Chemistry Ben
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά). ΧΗΜ

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