Abstract
The high resolution (up to 0.0007 cm−1) infrared diode laser spectrum of CF3Br (Halon 1301) with natural isotopic abundance has been investigated in the region 1090–1130 cm−1, characterized by the presence of the 2ν5 and ν2 + ν3 absorptions and several weaker hot bands. The rovibrational analysis of the data, obtained employing a slit-jet system (rotational temperature of about 50 K) together with those recorded at 200 K, led to a complete and accurate set of spectroscopic constants for the bands of both the bromine isotopologues. Integrated band intensities have been obtained for all the absorptions in the spectral range 450–2500 cm−1. The high resolution data and information concerning the cross-sections of this molecule can be useful for its remote sensing and for better modelling its contribution to global warming.
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