Infrared and microwave high-resolution spectrum of the ν3 band of ozone

Infrared Spectrum of Ozone in the 4600 and 5300 cm−1Regions: High Order Accidental Resonances through the Analysis of ν1+ 2ν2+ 3ν3− ν2, ν1+ 2ν2+ 3ν3, and 4ν1+ ν3Bands

“…2). Due to the fact that most of the lines are weak, the relative accuracy is estimated higher wavenumbers other types of accidental resonances appear, as observed, for example, in previous studies (13, as 7 1 n 3 in the 5240-5330 cm 01 region, as shown in Fig. 1, and range of rotational quantum numbers J and K a as that for the band n 1 / 2n 2 / 3n 3 ( Table 2).…”

“…These states are relatively close in energy for lower polyads (1,3,5,11,13,16,29). However, with the increase of vibrational energies the size of the polyads due to the near coincidence of harmonic frequencies v 1 à v 3 and are coupled by the principal Coriolis »£ 1 £ 2 £ 3 É H É increases (energy intervals covered by a given polyad in- (123) the classical ''stretching polyad'' structure becomes less and…”

Observation of the Zeeman Effect of Ozone by Doppler Free Laser Spectroscopy

“…It also demonstrates the feasibility of LMR techniques even on closed shell molecules, which are mostly not taken into consideration for LMR experiments, and (iii) In comparison with ions and radicals the handling of 0 3 is easy. Since the molecular constants [4] and the magnetic moments along the principal axes [5] are known to high accuracy, the molecular Zeeman effect of the observed transitions can be calculated using the expressions given by Hüttner and Flygare [6] for asymmetric top molecules.…”

Infrared and microwave spectroscopy of ozone: historical aspects

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