The far-infrared spectrum of acrolein, CH₂CHCHO: the ν18 fundamental and (ν17 + ν18) - ν18 hot bands

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DOIResolve DOI: http://doi.org/10.1016/j.jms.2007.06.001
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TypeArticle
Journal titleJournal of Molecular Spectroscopy
Volume244
Issue2
Pages146152; # of pages: 7
SubjectAcrolein; Coriolis; Hot band; Infrared; Propenal; Synchrotron
AbstractThe ν18 fundamental band (~158 cm⁻¹) of acrolein is studied at high resolution (0.0015 cm⁻¹) using synchrotron radiation from the Canadian Light Source facility and a Bruker IFS 125HR Fourier transform spectrometer. By fitting this band, together with some pure rotational transitions, molecular parameters are obtained to accurately determine the energies of the ν18 = 1 state levels for values of (J,Ka) up to at least (45,24). These parameters should be useful for future high resolution studies of acrolein hot bands. This is demonstrated here by a detailed analysis of the (ν17 + ν18) - ν18 hot band at ~589 cm⁻¹. The upper state (ν17 + ν18) of this band is found to be perturbed by Coriolis interactions analogous to those affecting the ν17 state.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number12339126
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Record identifier65b41b76-73d3-4ddd-b361-ec4b137c5e86
Record created2009-09-11
Record modified2016-06-23
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