Absolute intensities of 16O3 lines in the 9–11 μm region

Absolute intensities of 376 16 O 3 lines in the 9–11 μm region have been determined from high‐resolution infrared absorption spectra recorded at room temperature using a Fourier transform spectrometer. The ozone samples were contained in a glass cell having crossed IR‐transmitting and UV‐transmitting paths, and the UV absorption at 254 nm was used to monitor ozone concentrations in the cell. A multispectrum nonlinear least squares fitting procedure was used to determine intensities for 366 lines in the ν 3 fundamental band and 10 lines in the ν 1 band. The absolute accuracy of these intensity values ranges from 2% for the strongest, most well determined lines to 4 or 5% for the weakest lines measured. On average, our measured intensities are approximately 1% larger than the values on current spectroscopic databases.