Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis

Autores
Fantoni, Adolfo Carlos; Marañón, Julio
Año de publicación
1996
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
An ab initio conformational analysis of methyl vinyl sulfone (CH₂CHSO₂CH₃) has been carried out. Molecular geometry optimizations have been performed at the HF and MP2 levels of the theory. Relative energies of the stationary points have been determined by using different approaches, including electron correlation corrections up to the third order. The IR and Raman spectra of the liquid have been measured and a vibrational assignment is proposed. The height of the barrier to the methyl group internal rotation has been estimated. Theoretical calculations and vibrational spectra have shown that the predominant conformation of methyl vinyl sulfone has the C=C bond eclipsed with one of the S=O bonds. Similar eclipsed forms have been found in vinyl fluoro sulfone, vinyl chloro sulfone and divinyl sulfone by ab initio HF calculations.
Facultad de Ciencias Exactas
Materia
Física
Química
Methyl vinyl sulfone
Conformational properties
ab initio calculations
Vibrational spectra
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/143706

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network_name_str SEDICI (UNLP)
spelling Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysisFantoni, Adolfo CarlosMarañón, JulioFísicaQuímicaMethyl vinyl sulfoneConformational propertiesab initio calculationsVibrational spectraAn ab initio conformational analysis of methyl vinyl sulfone (CH₂CHSO₂CH₃) has been carried out. Molecular geometry optimizations have been performed at the HF and MP2 levels of the theory. Relative energies of the stationary points have been determined by using different approaches, including electron correlation corrections up to the third order. The IR and Raman spectra of the liquid have been measured and a vibrational assignment is proposed. The height of the barrier to the methyl group internal rotation has been estimated. Theoretical calculations and vibrational spectra have shown that the predominant conformation of methyl vinyl sulfone has the C=C bond eclipsed with one of the S=O bonds. Similar eclipsed forms have been found in vinyl fluoro sulfone, vinyl chloro sulfone and divinyl sulfone by ab initio HF calculations.Facultad de Ciencias Exactas1996info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf51-58http://sedici.unlp.edu.ar/handle/10915/143706enginfo:eu-repo/semantics/altIdentifier/issn/1040-0400info:eu-repo/semantics/altIdentifier/issn/1572-9001info:eu-repo/semantics/altIdentifier/doi/10.1007/bf02275449info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:32:17Zoai:sedici.unlp.edu.ar:10915/143706Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:32:17.98SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
title Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
spellingShingle Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
Fantoni, Adolfo Carlos
Física
Química
Methyl vinyl sulfone
Conformational properties
ab initio calculations
Vibrational spectra
title_short Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
title_full Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
title_fullStr Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
title_full_unstemmed Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
title_sort Conformational properties of methyl vinyl sulfone: Ab initio geometry optimization and vibrational analysis
dc.creator.none.fl_str_mv Fantoni, Adolfo Carlos
Marañón, Julio
author Fantoni, Adolfo Carlos
author_facet Fantoni, Adolfo Carlos
Marañón, Julio
author_role author
author2 Marañón, Julio
author2_role author
dc.subject.none.fl_str_mv Física
Química
Methyl vinyl sulfone
Conformational properties
ab initio calculations
Vibrational spectra
topic Física
Química
Methyl vinyl sulfone
Conformational properties
ab initio calculations
Vibrational spectra
dc.description.none.fl_txt_mv An ab initio conformational analysis of methyl vinyl sulfone (CH₂CHSO₂CH₃) has been carried out. Molecular geometry optimizations have been performed at the HF and MP2 levels of the theory. Relative energies of the stationary points have been determined by using different approaches, including electron correlation corrections up to the third order. The IR and Raman spectra of the liquid have been measured and a vibrational assignment is proposed. The height of the barrier to the methyl group internal rotation has been estimated. Theoretical calculations and vibrational spectra have shown that the predominant conformation of methyl vinyl sulfone has the C=C bond eclipsed with one of the S=O bonds. Similar eclipsed forms have been found in vinyl fluoro sulfone, vinyl chloro sulfone and divinyl sulfone by ab initio HF calculations.
Facultad de Ciencias Exactas
description An ab initio conformational analysis of methyl vinyl sulfone (CH₂CHSO₂CH₃) has been carried out. Molecular geometry optimizations have been performed at the HF and MP2 levels of the theory. Relative energies of the stationary points have been determined by using different approaches, including electron correlation corrections up to the third order. The IR and Raman spectra of the liquid have been measured and a vibrational assignment is proposed. The height of the barrier to the methyl group internal rotation has been estimated. Theoretical calculations and vibrational spectra have shown that the predominant conformation of methyl vinyl sulfone has the C=C bond eclipsed with one of the S=O bonds. Similar eclipsed forms have been found in vinyl fluoro sulfone, vinyl chloro sulfone and divinyl sulfone by ab initio HF calculations.
publishDate 1996
dc.date.none.fl_str_mv 1996
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info:eu-repo/semantics/publishedVersion
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info:ar-repo/semantics/articulo
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status_str publishedVersion
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url http://sedici.unlp.edu.ar/handle/10915/143706
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/1040-0400
info:eu-repo/semantics/altIdentifier/issn/1572-9001
info:eu-repo/semantics/altIdentifier/doi/10.1007/bf02275449
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
51-58
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
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instname_str Universidad Nacional de La Plata
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repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
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