The infrared spectrum of the ν2 and ν3 bands of H16OF, H18OF, and D16OF
Bürger, H., Pawelke, G., Rahner, A., Appelman, E. H. and Mills, I. (1988) The infrared spectrum of the ν2 and ν3 bands of H16OF, H18OF, and D16OF. Journal of Molecular Spectroscopy, 128 (1). pp. 278-287. ISSN 0022-2852
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To link to this article DOI: 10.1016/0022-2852(88)90224-X
Fourier transform IR spectra in the ν2 and ν3 regions between 800 and 1500 cm−1 have been measured of H16OF with a resolution of 0.007 cm−1 and of H18OF and DOF with a resolution of 0.040 cm−1. Ground state constants have been improved for H16OF and have been obtained for the first time for H18OF. Parameters of the v2 = 1 and v3 = 1 excited states have been determined from rovibrational analyses of ca. 1000 ν2/ν3 lines which were fitted with σ 0.36, 4.5, and 7.6 × 10−3 cm−1 for H16OF, H18OF, and D16OF, respectively. Band centers of ν2/ν3 are 1353.40466(5)/889.07974(6), 1350.3976(5)/862.2967(7), and 1002.0083(9)/891.0014(15) cm−1, respectively, for the three isotopic species. While ν2 and ν3 are sufficiently separated in HOF to be treated independently, a Coriolis resonance is evident in DOF, the interaction constant ξ23c = 0.19073(16) cm−1 being in agreement with the prediction from the harmonic force field.