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Title: Rovibrational Constants for the ν6 and 2ν9 Bands of HCOOD by Fourier Transform Infrared Spectroscopy
Authors: Tan, T.L.
Goh, K.L.
Ong, P.P. 
Teo, H.H.
Issue Date: Nov-1999
Citation: Tan, T.L.,Goh, K.L.,Ong, P.P.,Teo, H.H. (1999-11). Rovibrational Constants for the ν6 and 2ν9 Bands of HCOOD by Fourier Transform Infrared Spectroscopy. Journal of Molecular Spectroscopy 198 (1) : 110-114. ScholarBank@NUS Repository.
Abstract: The Fourier transform infrared spectrum of the ν6 and 2ν9 bands of deuterated formic acid (HCOOD) was recorded with an apodized resolution of 0.004 cm-1 in the frequency range of 930-1040 cm-1. These two bands with band centers 40 cm-1 apart were mutually coupled by Coriolis and Fermi interactions. By fitting a total of 1076 infrared transitions of both ν6 and 2ν9 with a standard deviation of 0.00075 cm-1 using a Watson's A-reduced Hamiltonian in the Ir representation with the inclusion of c-type Coriolis and a Fermi-resonance term, two sets of rovibrational constants for ν6 = 1, and ν9 = 2 states were derived for the first time. Both ν6 and 2ν9 bands are A type with band centers at 972.8520 ± 0.0001 and 1011.6766 ± 0.0001 cm-1, respectively. © 1999 Academic Press.
Source Title: Journal of Molecular Spectroscopy
ISSN: 00222852
Appears in Collections:Staff Publications

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