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Article: Short-time photodissociation dynamics of nitrocyclopentane and nitrocyclohexane in the gas and solution phases from resonance Raman intensity analysis

TitleShort-time photodissociation dynamics of nitrocyclopentane and nitrocyclohexane in the gas and solution phases from resonance Raman intensity analysis
Authors
Issue Date1998
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00268976.asp
Citation
Molecular Physics, 1998, v. 93 n. 1, p. 173-180 How to Cite?
AbstractWe have obtained B-band resonance Raman spectra of nitrocyclopentane and nitrocyclohexane in the vapour and in cyclohexane solution. The B-band resonance Raman spectra have most of their intensity in the nominal NO 2 symmetry stretch progression (nv NO2) and the initial Franck-Condon region dynamics changes occur mostly in the two N-O bonds. The absorption spectra and absolute Raman intensities were simulated using time-dependent wavepacket calculations and a simple model. These simulations suggest that very fast electronic dephasing (most probably due to predissociation and/or solvent collisions) competes with wavepacket motion out of the Franck-Condon region and vibrational motion of the rest of the molecule. This probably accounts for the observation that the B-band resonance Raman spectra of all the nitroalkanes studied so far appear very similar to one another.
Persistent Identifierhttp://hdl.handle.net/10722/70215
ISSN
2015 Impact Factor: 1.837
2015 SCImago Journal Rankings: 0.781
References

 

DC FieldValueLanguage
dc.contributor.authorHung, MSen_HK
dc.contributor.authorKwok, WMen_HK
dc.contributor.authorPhillips, DLen_HK
dc.date.accessioned2010-09-06T06:20:48Z-
dc.date.available2010-09-06T06:20:48Z-
dc.date.issued1998en_HK
dc.identifier.citationMolecular Physics, 1998, v. 93 n. 1, p. 173-180en_HK
dc.identifier.issn0026-8976en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70215-
dc.description.abstractWe have obtained B-band resonance Raman spectra of nitrocyclopentane and nitrocyclohexane in the vapour and in cyclohexane solution. The B-band resonance Raman spectra have most of their intensity in the nominal NO 2 symmetry stretch progression (nv NO2) and the initial Franck-Condon region dynamics changes occur mostly in the two N-O bonds. The absorption spectra and absolute Raman intensities were simulated using time-dependent wavepacket calculations and a simple model. These simulations suggest that very fast electronic dephasing (most probably due to predissociation and/or solvent collisions) competes with wavepacket motion out of the Franck-Condon region and vibrational motion of the rest of the molecule. This probably accounts for the observation that the B-band resonance Raman spectra of all the nitroalkanes studied so far appear very similar to one another.en_HK
dc.languageengen_HK
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00268976.aspen_HK
dc.relation.ispartofMolecular Physicsen_HK
dc.titleShort-time photodissociation dynamics of nitrocyclopentane and nitrocyclohexane in the gas and solution phases from resonance Raman intensity analysisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0026-8976&volume=93&issue=1&spage=173&epage=180&date=1998&atitle=Short-time+photodissociation+dynamics+of+nitrocyclopentane+and+nitrocyclohexane+in+the+gas+and+solution+phases+from+resonance+Raman+intensity+analysisen_HK
dc.identifier.emailPhillips, DL:phillips@hku.hken_HK
dc.identifier.authorityPhillips, DL=rp00770en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/002689798169564-
dc.identifier.scopuseid_2-s2.0-0542424816en_HK
dc.identifier.hkuros31684en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0542424816&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume93en_HK
dc.identifier.issue1en_HK
dc.identifier.spage173en_HK
dc.identifier.epage180en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHung, MS=7202454312en_HK
dc.identifier.scopusauthoridKwok, WM=7103129332en_HK
dc.identifier.scopusauthoridPhillips, DL=7404519365en_HK

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