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Title: The High-Resolution Infrared Spectrum of the v5 Band of Deuterated Formic Acid (DCOOH)
Authors: Goh, K.L.
Ong, P.P. 
Tan, T.L. 
Wang, W.F.
Teo, H.H.
Issue Date: Jul-1998
Citation: Goh, K.L.,Ong, P.P.,Tan, T.L.,Wang, W.F.,Teo, H.H. (1998-07). The High-Resolution Infrared Spectrum of the v5 Band of Deuterated Formic Acid (DCOOH). Journal of Molecular Spectroscopy 190 (1) : 125-129. ScholarBank@NUS Repository.
Abstract: The Fourier transform infrared spectrum of the v5 band of deuterated formic acid (DCOOH) has been measured with a resolution of 0.004 cm-1 in the frequency range of 1090-1180 cm-1. Using a Watson's A-reduced Hamiltonian in the Ir representation, a total of 1731 assigned unperturbed transitions have been analyzed to provide rovibrational constants for the upper state (v5 = 1) with a standard deviation of 0.000363 cm-1. The band is A type with an unperturbed band center at 1142.31075 ± 0.00002 cm-1. The band is expected to be perturbed by a nearby v4 band through a Fermi resonance term and possibly a Coriolis term. The resonance is particularly noticeable for Ka = 10, and 11, at high J values. About 215 perturbed lines were identified but they were not included in the final fit. © 1998 Academic Press.
Source Title: Journal of Molecular Spectroscopy
ISSN: 00222852
Appears in Collections:Staff Publications

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