Abstract
Emission spectra of CO2, vibrationally excited by a DC electric discharge, were recorded at a resolution of 0.006 cm−1, using a Fourier transform spectrometer ( Bruker 120HR ), in the spectral range of 13-18 μm. Results concerning 30 vibrational transitions with v3 = 1, 2, 3 of 12C16O2 are reported. The band centers and the spectroscopic constants for all the vibrational levels involved are given. They reproduce the experimental wavenumbers with a rms of the order of 6 × 10−4 cm−1 for transitions with v3 = 1 and of 5 × 10−3 cm−1 for the others.
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