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Fourier transform microwave spectroscopy of Criegee intermediates: The conformational behaviour of butyraldehyde oxide

AuthorsCabezas, Carlos; Guillemin, Jean-Claude; Endo, Y.
Issue Date8-Mar-2019
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 150: 104301 (2019)
AbstractFour conformers of the n-propyl-substituted Criegee intermediate, CH CH CH CHOO, also named n-butyraldehyde oxide, have been observed by Fourier transform microwave spectroscopy. The transient species was produced using a pulsed electric discharge of a gas mixture of 1,1-diiodobutane/O diluted in Ar or Ne. The observation of only syn species is in contrast to the results of other previous studies of alkyl-substituted Criegee intermediates, in particular, those for the structural isomers, isobutyraldehyde oxide ((CH ) CHCHOO), and methyl-ethyl-ketone oxide (C H C(CH )OO), for which syn and anti species have been observed coexisting in the gas phase.
Publisher version (URL)http://dx.doi.org/10.1063/1.5088566
Identifiersdoi: 10.1063/1.5088566
issn: 0021-9606
Appears in Collections:(CFMAC-IFF) Artículos
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