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LINE POSITIONS OF $\\triangle v_{3} = 1$ BANDS OF $^{12}C^{16}O^{18}O$
Mark P. Esplin, John P. Mycroft
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Abstract
Spectra of a $CO_{2}$ sample enriched with $^{18}O$ have been measured using a 3.5 m path high temperature absorption cell and the AFGL high resolution interferometer. The spectra were taken at a resolution of $0.007 cm^{-1}$, at temperatures of 300, 500, and 800 K, and pressures of 3 and 6 torr. Ten $\\triangle v_{3} = 1$ bands have been identified previously in the experimental spectra and molecular constants for these bands have been reported.$^{1}$ Further analysis of these spectra has resulted in the identification of additional bands. Effective rotation-vibration constants for these bands will be presented.$^{1}$