JET-COOLED HIGH RESOLUTION INFRARED SPECTRUM OF THE $\nu_{6}$ AND $2\nu_{2}$ BANDS OF $CH_{2}F_{2}$
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Date
1997
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Publisher
Ohio State University
Abstract
A jet-cooled high resolution infrared spectrum was recorded in a slit-jet apparatus in the asymmetric C-H stretching region of $CH_{2}F_{2}$ between 3002 and $3036 cm^{-1}$. Approximately 630 transitions were detected of which about 250 were assigned to the $\nu_{6}$ band and about 170 were assigned to the $2\nu_{2}$ overtone at a resolution of $\approx 0.002 cm^{-1}$. Seven sub-bands were identified in each vibrational band. The assigned transitions were fitted to a Watson Hamiltonian for an asymmetric rotor ($k = -.932$) in the A-reduced $I^{r}$ representation. The fitted upper state constants in $cm^{-1}$ for each band are tabulated below. Numbers in parantheses indicate the precision of the fit to two standard deviations in the last digit.[FIGURE]
Description
Author Institution: Department of Chemistry, University of Akron