Abstract
The high-resolution infrared spectrum of nitryl fluoride, FNO2, has been observed in the 1750–1825 cm−1region. The spectrum displays extensive rotational structure consisting solely ofb-type transitions and is assigned to ν4, the NO2antisymmetric stretching vibration. Over 1500 infrared and 51 microwave transitions have been fitted to generate rotational constants for thev4= 1 state (ν0= 1793.466822 cm−1) and improved constants for the ground state. Rotationally resolved infrared line positions are now available for the identification of FNO2, an atmospheric product of CFC and HFC oxidation.
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