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dc.contributor.authorMetha, G.en
dc.contributor.authorBuntine, M.en
dc.contributor.authorBradley, A.en
dc.contributor.authorMorrison, R.en
dc.identifier.citationJournal of Molecular Spectroscopy, 2001; 206(1):73-82en
dc.description.abstractWe report the results of a study on the vibrational structure in the (n, 3s) Rydberg state of iso-butanal, carried out via 2+1 multiphoton ionization spectroscopy in a supersonic expansion. Spectra were recorded for both the normal species, (CH₃)₂CHCHO, and the deuterated isotopomer, (CH₃)₂CDCHO. The spectra show a complicated vibrational pattern attributable to the gauche (C1) conformer which is known to be 250 cm⁻¹ lower in energy than the more symmetric trans (Cs) conformer. The spectra are dominated by the low-frequency formyl torsion which appears in combination with the two methyl torsions (in-phase and out-of-phase) and with several skeletal modes. Vibrational assignments have been aided by ab initio calculations of the (n, 3s) Rydberg state.en
dc.description.statementofresponsibilityG. F. Metha, M. A. Buntine, A. J. Bradley and R. J. S. Morrisonen
dc.publisherAcademic Press Incen
dc.rightsCopyright © 2001 Academic Press. All rights reserved.en
dc.subjectMultiphoton ionization; iso-butanal (2-methyl propanal); alkyl aldehydes; Rydberg transition; conformeren
dc.titleJet-cooled multiphoton ionization spectroscopy of the iso-butanal 3s←n Rydberg transitionen
dc.title.alternativeJet-cooled multiphoton ionization spectroscopy of the iso-butanal 3s <- n Rydberg transitionen
dc.typeJournal articleen
pubs.library.collectionChemistry publicationsen
dc.identifier.orcidMetha, G. [0000-0003-1094-0947]en
Appears in Collections:Chemistry publications
Environment Institute publications

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