Self-broadening coefficients and absolute line intensities in the ν4 + ν5 band of acetylene

M. Lepère, G. Blanquet, J. Walrand, J.-P. Bouanich, M. Herman, Jean Vander Auwera

Research output: Contribution to journalArticle


Self-broadening coefficients and line strengths have been measured at room temperature for 30 lines of CH in the P and R branches of the ν + ν band, using a tunable diode laser spectrometer. These lines, ranging from P(22) to R(23), are located in the spectral range 1275-1390 cm. A semiclassical calculation of the line broadenings has been performed considering the main electrostatic interactions and an anisotropic dispersion contribution leading to results in satisfactory agreement with the experimental data.
Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalJournal of molecular spectroscopy
Issue number1
Publication statusPublished - 1 Mar 2007


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