Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2

Autores
Burgos Paci, Maximiliano Alberto; Few, Julian; Gowrie, Sarah; Hancock, Gus
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Collisional quenching of NO A 2 S+ (v = 0) by N2O and CO2 has been studied through measurements of vibrationally excited products by time resolved Fourier transform infrared emission. In both cases vibrationally excited NO X 2 P (v) is seen and quantified in levels v Z 2 with distributions which are close to statistical. However the quantum yields to produce these levels are markedly different for the two quenchers. For CO2 such quenching accounts for only ca. 26% of the total: for N2O it is ca. 85%. Far more energy is seen in the internal modes of the CO2 product than those of N2O. The results are rationalised in terms of cleavage of the N2–O bond being dominant in the latter case, with either a similar O atom production or a specific channel producing almost exclusively NO in low vibrational levels (v = 0,1) for quenching by CO2. Minor reactive channels yielding NO2 are seen in both cases, and O(1 D) is observed with low quantum yield in the reaction with N2O. The results are discussed in terms of previous models of the quenching processes, and are consistent with the very high yield of NO X 2 P (v = 0) previously observed by laser induced fluorescence for quenching of NO A 2 S+ (v = 0) by CO2.
Fil: Burgos Paci, Maximiliano Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Few, Julian. University of Oxford; Reino Unido
Fil: Gowrie, Sarah. University of Oxford; Reino Unido
Fil: Hancock, Gus. University of Oxford; Reino Unido
Materia
Tr-Ftir
Atmospheric Chemistry
Molecular Dynamics
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/25004
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/25004
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2Burgos Paci, Maximiliano AlbertoFew, JulianGowrie, SarahHancock, GusTr-FtirAtmospheric ChemistryMolecular Dynamicshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Collisional quenching of NO A 2 S+ (v = 0) by N2O and CO2 has been studied through measurements of vibrationally excited products by time resolved Fourier transform infrared emission. In both cases vibrationally excited NO X 2 P (v) is seen and quantified in levels v Z 2 with distributions which are close to statistical. However the quantum yields to produce these levels are markedly different for the two quenchers. For CO2 such quenching accounts for only ca. 26% of the total: for N2O it is ca. 85%. Far more energy is seen in the internal modes of the CO2 product than those of N2O. The results are rationalised in terms of cleavage of the N2–O bond being dominant in the latter case, with either a similar O atom production or a specific channel producing almost exclusively NO in low vibrational levels (v = 0,1) for quenching by CO2. Minor reactive channels yielding NO2 are seen in both cases, and O(1 D) is observed with low quantum yield in the reaction with N2O. The results are discussed in terms of previous models of the quenching processes, and are consistent with the very high yield of NO X 2 P (v = 0) previously observed by laser induced fluorescence for quenching of NO A 2 S+ (v = 0) by CO2.Fil: Burgos Paci, Maximiliano Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaFil: Few, Julian. University of Oxford; Reino UnidoFil: Gowrie, Sarah. University of Oxford; Reino UnidoFil: Hancock, Gus. University of Oxford; Reino UnidoRoyal Society of Chemistry2013-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/25004Burgos Paci, Maximiliano Alberto; Few, Julian; Gowrie, Sarah; Hancock, Gus; Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 15; 7; 1-2013; 2554-25641463-9076CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1039/c2cp43878jinfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2013/CP/c2cp43878j#!divAbstractinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2026-08-25T14:30:36Zoai:ri.conicet.gov.ar:11336/25004instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982026-08-25 14:30:36.259CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
title Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
spellingShingle Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
Burgos Paci, Maximiliano Alberto
Tr-Ftir
Atmospheric Chemistry
Molecular Dynamics
title_short Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
title_full Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
title_fullStr Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
title_full_unstemmed Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
title_sort Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2
dc.creator.none.fl_str_mv Burgos Paci, Maximiliano Alberto
Few, Julian
Gowrie, Sarah
Hancock, Gus
author Burgos Paci, Maximiliano Alberto
author_facet Burgos Paci, Maximiliano Alberto
Few, Julian
Gowrie, Sarah
Hancock, Gus
author_role author
author2 Few, Julian
Gowrie, Sarah
Hancock, Gus
author2_role author
author
author
dc.subject.none.fl_str_mv Tr-Ftir
Atmospheric Chemistry
Molecular Dynamics
topic Tr-Ftir
Atmospheric Chemistry
Molecular Dynamics
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Collisional quenching of NO A 2 S+ (v = 0) by N2O and CO2 has been studied through measurements of vibrationally excited products by time resolved Fourier transform infrared emission. In both cases vibrationally excited NO X 2 P (v) is seen and quantified in levels v Z 2 with distributions which are close to statistical. However the quantum yields to produce these levels are markedly different for the two quenchers. For CO2 such quenching accounts for only ca. 26% of the total: for N2O it is ca. 85%. Far more energy is seen in the internal modes of the CO2 product than those of N2O. The results are rationalised in terms of cleavage of the N2–O bond being dominant in the latter case, with either a similar O atom production or a specific channel producing almost exclusively NO in low vibrational levels (v = 0,1) for quenching by CO2. Minor reactive channels yielding NO2 are seen in both cases, and O(1 D) is observed with low quantum yield in the reaction with N2O. The results are discussed in terms of previous models of the quenching processes, and are consistent with the very high yield of NO X 2 P (v = 0) previously observed by laser induced fluorescence for quenching of NO A 2 S+ (v = 0) by CO2.
Fil: Burgos Paci, Maximiliano Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Few, Julian. University of Oxford; Reino Unido
Fil: Gowrie, Sarah. University of Oxford; Reino Unido
Fil: Hancock, Gus. University of Oxford; Reino Unido
description Collisional quenching of NO A 2 S+ (v = 0) by N2O and CO2 has been studied through measurements of vibrationally excited products by time resolved Fourier transform infrared emission. In both cases vibrationally excited NO X 2 P (v) is seen and quantified in levels v Z 2 with distributions which are close to statistical. However the quantum yields to produce these levels are markedly different for the two quenchers. For CO2 such quenching accounts for only ca. 26% of the total: for N2O it is ca. 85%. Far more energy is seen in the internal modes of the CO2 product than those of N2O. The results are rationalised in terms of cleavage of the N2–O bond being dominant in the latter case, with either a similar O atom production or a specific channel producing almost exclusively NO in low vibrational levels (v = 0,1) for quenching by CO2. Minor reactive channels yielding NO2 are seen in both cases, and O(1 D) is observed with low quantum yield in the reaction with N2O. The results are discussed in terms of previous models of the quenching processes, and are consistent with the very high yield of NO X 2 P (v = 0) previously observed by laser induced fluorescence for quenching of NO A 2 S+ (v = 0) by CO2.
publishDate 2013
dc.date.none.fl_str_mv 2013-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/25004
Burgos Paci, Maximiliano Alberto; Few, Julian; Gowrie, Sarah; Hancock, Gus; Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 15; 7; 1-2013; 2554-2564
1463-9076
CONICET Digital
CONICET
url http://hdl.handle.net/11336/25004
identifier_str_mv Burgos Paci, Maximiliano Alberto; Few, Julian; Gowrie, Sarah; Hancock, Gus; Products of the quenching of NO A 2Σ+ (v = 0) by N2O and CO2; Royal Society of Chemistry; Physical Chemistry Chemical Physics; 15; 7; 1-2013; 2554-2564
1463-9076
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1039/c2cp43878j
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2013/CP/c2cp43878j#!divAbstract
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.365483

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