The high-resolution infrared spectrum of HOF near 2700 cm-1: the ground and 2v2 states
Bürger, H., Pawelke, G., Sommer, S., Rahner, A., Appelman, E. H. and Mills, I. (1989) The high-resolution infrared spectrum of HOF near 2700 cm-1: the ground and 2v2 states. Journal of Molecular Spectroscopy, 136 (1). pp. 197-204. ISSN 0022-2852
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To link to this item DOI: 10.1016/0022-2852(89)90232-4
The a/b hybrid-type ν1 fundamental and 2ν2 overtone bands of HOF were investigated by FTIR spectroscopy with a resolution close to 0.008 cm−1. Improved ground state parameters of HOF were determined from a merge of more than 3000 ground state combination differences formed from ν1 and previously measured ν2 transitions with the reported pure rotational lines. Excited state parameters of the v2 = 2 state, ν0 = 2686.924 6(1) and χ22 = −9.942 4(1) cm−1, were determined employing Watson's A-reduced Hamiltonian up to sixth order in I′ representation. The 2ν2 state was found to be unperturbed, the excited state parameters being closely related to those of ν2.