Abstract
Abstract A tunable diode laser spectrometer was used to perform measurements of absolute line intensities for 20 transitions in the ν 9 -fundamental of propyne centered at 15.5 μm. From these data, the vibrational band-strength S v o was significantly determined to be S v o = 196.8 ± 6.0 cm −2 atm −1 at 297 K. These results will be used for further applications of astrophysical interest such as a refined contribution for modelling Titan's atmosphere.
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