Abstract

The spectra of ozone in the region 2300-2600 cm−1 have been recorded with the high-resolution Fourier transform spectrometer of Reims. A White-type cell with a length of 36 m and pressure of 50 Torr of ozone has been used. This region corresponds mainly to the weak bands ν1 + 2ν2 and 2ν2 + ν3, which were previously analyzed with a much lower amount of ozone. Now high values of J and Ka have been observed up to 55 and 11, respectively. The final fit on the 615 energy levels is very satisfactory, 0.39 × 10−3 cm−1, equal to experimental accuracy. Good agreement is also obtained for line intensities. Furthermore, the two difference bands 3ν3 − ν2 and ν1 + 2ν3 − ν2 have been observed for the first time and their transition moments are given.

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