Integrated absorption intensities of haloethanes and halopropanes |
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| Institution: | 1. Laboratory of Materials Science and Environment, Faculty of Sciences, University of SFAX, PB 1171, 3000, Sfax, Tunisia;2. Laboratory of Applied Physic, Faculty of Sciences, University of SFAX, PB 1171, 3000, Sfax, Tunisia;3. Laboratory of Physical Chemistry of the Solid State, Faculty of Sciences, University of SFAX, PB 1171, 3000, Sfax, Tunisia;1. Ministry of Education-Shanghai Key Laboratory of Children''s Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai 200092, China;2. School of Public Health, Shanghai Jiao Tong University, Shanghai 200025, China;3. Department of Obstetrics and Gynecology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China |
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| Abstract: | The infrared absorption intensities of the chlorofluorocarbons C2ClxFy, (x + y = 6); the hydrofluorocarbons C2HxFyH (x + y = 6); and a number of hydrochlorofluorocarbons, including some members of the propane series, have been measured. Absorption intensities have been obtained by integration over specified ranges of frequencies. The ranges used include the atmospheric window (1250t-833 cm?1), 3500-450 cm?1, 1300-700 cm?1, and those for selected individual absorption bands. Comparisons of the results have been made with published work where available, and attention is drawn to possible sources of error in the measurement of band areas. The spectra of the halopropanes have been included for the range 3500-150 cm?1. A preliminary study has been made of the relation between the number of fluorine atoms in the molecule and the intensity of absorption of the CF stretching vibrations. |
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