Absolute line intensities in the ν3 band of 12CH3F by diode-laser spectroscopy

M. Lepère, G. Blanquet, J. Walrand

Research output: Contribution to journalArticlepeer-review


Infrared absolute line intensities of the ν3 band of CH F have been measured around 9.5 μm using a diode-laser spectrometer. These line strengths were obtained from the equivalent width method and, for a few lines, by fitting a Rautian profile to the measured shape of the lines. From these results, we have deduced the vibrational bandstrength (S = 379.2 ± 5.9 cm · atm at 296 K) and the first Herman-Wallis factor (α = 0.35 × 10 ± 0.10 × 10 ).
Original languageEnglish
Pages (from-to)307-310
Number of pages4
JournalJournal of molecular spectroscopy
Issue number2
Publication statusPublished - 1 Jun 1996

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