LINE POSITIONS AND INTENSITIES OF THE NU(1)-NU(3), NU(2)+4-NU(3), AND3-NU(1)+2-NU(2) BANDS OF OZONE(NU(2)+3)

Using a Fourier transform spectrometer, we have recorded the spectra o f ozone in the region of 4600 cm-l, with a resolution of 0.008 cm(-1). The strongest absorption in this region is due to the nu(1) + nu(2) 3 nu(3) band which is in Coriolis interaction with the nu(2) + 4 nu(3 ) band. We have been able to assign more than 1700 transitions for the se two bands. To correctly reproduce the calculation of energy levels, it has been necessary to introduce the (320) state which strongly per turbs the (113) and (014) states through Coriolis- and Fermi-type reso nances. Seventy transitions of the 3 nu(1) + 2 nu(2) band have also be en observed. The final fit on 926 energy levels with J(max) = 50 and K -max = 16 gives rms = 3.1 x 10(-3) cm(-1) and provides a satisfactory agreement of calculated and observed upper levels for most of the tran sitions. The following values for band centers are derived: nu(0)(nu(1 ) + nu(2) + 3 nu(3)) = 4658.950 cm(-1), nu(0)(3 nu(1) + 2 nu(2)) = 464 3.821 cm(-1), and nu(0)(nu(1) + 4 nu(3)) = 4632.888 cm(-1). Line inten sities have been measured and fitted, leading to the determination of transition moment parameters for the two bands nu(1) + nu(2) + 3 nu(3) and nu(2) + 4 nu(3). Using these parameters we have obtained the foll owing estimations for the integrated band intensities, S-v(nu(1) + nu( 2) + 3 nu(3)) = 8.84 x 10(-22), S-v(nu(2) + 4 nu(3)) = 1.70 x 10(-22), and S-v(3 mu(1) + 2 nu(2)) = 0.49 x 10(-22) cm(-1)/molecule cm(-2) at 296 K, which correspond to a cutoff of 10(-26) cm(-1)/molecule cm(-2) . (C) 1996 Academic Press, Inc.