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dc.contributor.authorPhilis, J. G.en
dc.contributor.authorMelissas, V. S.en
dc.date.accessioned2015-11-24T16:48:09Z-
dc.date.available2015-11-24T16:48:09Z-
dc.identifier.issn0021-9606-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9288-
dc.rightsDefault Licence-
dc.subjectelectronically excited-stateen
dc.subjectvibronic level fluorescenceen
dc.subject260-nm absorption-spectrumen
dc.subjectmethyl internal-rotationen
dc.subjectjet-cooled alkylbenzenesen
dc.subject2-photon spectroscopyen
dc.subjectvibrational-relaxationen
dc.subjectbenzene-derivativesen
dc.subjectaromatic-moleculesen
dc.subjectm-fluorotolueneen
dc.titleAn experimental and theoretical study of the S(1)<- S(0) transition of p-ethynyltolueneen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDoi 10.1063/1.2804865-
heal.identifier.secondary<Go to ISI>://000251325100019-
heal.identifier.secondaryhttp://link.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JCPSA6000127000020204310000001-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.publicationDate2007-
heal.abstractThe one photon and the two photon S(1)<- S(0) spectra of jet-cooled p-ethynyltoluene have been measured for the first time, and a detailed vibronic analysis for both spectra has been attained. Mass analyzed resonance enhanced multiphoton ionization spectroscopy is the employed technique. In the one photon spectrum, the allowed component (origin and Franck-Condon bands) is much weaker than the forbidden component, and the same mechanisms as in the one photon spectrum of phenylacetylene are observed. The methyl torsional transitions are active. The 0(0)(0) band is at 35 483 cm(-1). The two photon spectrum is very strong and bears a resemblance to the two photon spectrum of phenylacetylene. The potential barrier of the methyl rotor in the S(1) state has been determined as V(6)=-12 cm(-1) with B(CH3)=5.55 cm(-1). Ab initio calculations, MP2(full)/cc-pVTZ and CAS/cc-pVTZ, have been implemented for the geometry optimization and the normal mode vibration computation in the S(0) and S(1) states. (c) 2007 American Institute of Physics.en
heal.publisherAmerican Institute of Physics (AIP)en
heal.journalNameJournal of Chemical Physicsen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά). ΧΗΜ

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