Abstract

The ν 2 (CO stretch) fundamental band of formyl fluoride (HFCO) was studied in the region 1800 to 1910 cm −1 using the two techniques of intracavity CO laser Stark spectroscopy at sub-Doppler resolution and Fourier transform spectroscopy at Doppler-limited resolution. Accurate values of the molecular parameters of the ground and excited ( v 2 = 1) vibrational states were obtained from a combined fit of the ν 2 band data and available microwave data. The results include precise determinations of the electric dipole moment components ( μ a and μ b ) of HFCO in the ground and excited states.

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