Motiyenkoa, R.
, Alekseev, E.
, Dyubkoa, S.
and Lovas, F.
(2006),
Microwave Spectrum and Structure of Furfural, Journal of Molecular Spectroscopy
(Accessed July 2, 2025)
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Microwave Spectrum and Structure of Furfural
Published
Author(s)
R A. Motiyenkoa, E A. Alekseev, S F. Dyubkoa,
Abstract
The microwave spectrum of furfural was investigated in the frequency range 7 GHz to 21 GHz and 49 GHz to 330 GHz. The ground and first torsional state of trans-furfural and ground state of cis-furfural were assigned and analyzed. A total of 1720 rotational lines with J up to 100 and Ka up to 53 were assigned to the ground state of trans-furfural, 1406 rotational lines with J up to 100 and Ka up to 48 were assigned to the first torsional state of trans-furfural and 2103 rotational lines with J up to 90 and Ka up to 48 to the ground state of cis-furfural. Accurate sets of centrifugal distortion constants for both conformations have been determined for the first time. The spectra of all 13C and 18O singly substituted isotopic species were observed in natural abundance in the 7 GHz to 21 GHz range. Molecular structure co-ordinates, bond lengths and angles of the rs-type and global fits are derived from the isotopic studies.Citation
Journal of Molecular Spectroscopy
Pub Type
Journals
Keywords
13C-istopologs, 18O-istopologs, furfural, microwave spectrum, molecular structure, rotational spectrum
Citation
Issues
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Created September 7, 2006, Updated October 12, 2021