ANALYSIS OF INTENSITIES OF SPECTRAL FEATURES OF GASEOUS NO IN VIBRATION-ROTATIONAL BAND 6-0 IN ABSORPTION

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2003

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Ohio State University

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We have detected for the first time the fifth overtone of vibration-rotational transitions of NO in the near infrared region. Despite its small extent of absorption even with an optical path of length 107 m and pressure $10^{5} N m^{-2}$ of our sample, we have measured strengths of individual vibration-rotational features, but effects of A-doubling were unresolved under those conditions. An electric dipolar moment for the transition and a parameter for the effect of vibration-rotational $interaction^{a}$ have been quantitatively evaluated.

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$^{a}$ J. F. Ogilvie, The Vibrational and Rotational Spectrometry of Diatomic Molecules [Academic Press, London U.K., 1998]
Author Institution: Department of Chemistry, National Tsing Hua University; Escuela de Quimica, Universidad de Costa Rica

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