# HIGH RESOLUTION INFRARED SPECTRA OF THE $C=O$ STRETCH FUNDAMENTAL AND OVERTONE BANDS OF ACETALDEHYDE

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 Title: HIGH RESOLUTION INFRARED SPECTRA OF THE $C=O$ STRETCH FUNDAMENTAL AND OVERTONE BANDS OF ACETALDEHYDE Creators: Andrews, Anne M.; Tretyakov, M. Yu.; Belov, S. P.; Fraser, G. T.; Pate, Brooks H. Issue Date: 1993 Publisher: Ohio State University Abstract: The $C=O$ stretching fundamental $(\nu_{4})$ of acetaldehyde $(CH_{3}CHO)$ at $1745 cm^{-1}$ has been measured with a tunable infrared diode laser spectrometer coupled to a slit-jet nozzle source. The spectrum does not appear to be severely fractionated and assignments are currently being attempted. The overtone $2\nu_{4}$ was recorded between $3470 cm^{-1}$ and $3490 cm^{-1}$ with a color-center laser coupled to the electric-resonance optothermal spectrometer. Preliminary double-resonance assignments have been made and minimal fractionation from IVR has been observed. Description: Author Institution: Molecular Physics Division, National Institute of Standards and Technology; Microwave Spectroscopy Laboratory, Institute of Applied Physics, Russian Academy of Science URI: http://hdl.handle.net/1811/18487 Other Identifiers: 1993-MH-3