The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

https://www.uv-vis-spectral-atlas-mainz.org, https://uvvis.mpch-mainz.gwdg.de

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

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When referring to the Spectral Atlas, please cite our publication:

Keller-Rudek, H., Moortgat, G. K., Sander, R., and Sörensen, R.: The MPI-Mainz UV/VIS spectral atlas of gaseous molecules of atmospheric interest, Earth Syst. Sci. Data, 5, 365–373, (2013), DOI: 10.5194/essd-5-365-2013

Cross Sections / Alkanes+alkyl radicals / Alkyl radicals / CH3 / Oehlschlaeger(2005)_1565K_211-220nm

DATAFILE: CH3_Oehlschlaeger(2005)_1565K_211-220nm.txt
NAME: methyl radical
FORMULA: CH3
AUTHOR(YEAR): Oehlschlaeger(2005)
T: 1565K
λ: 211-220nm
BIBLIOGRAPHY: M.A. Oehlschlaeger, D.F. Davidson, and R.K. Hanson, "High-temperature UV absorption of methyl radicals behind shock waves", J. Quant. Spectrosc. Radiat. Transfer 92, 393-402 (2005); DOI: 10.1016/j.jqsrt.2004.08.006
COMMENTS: Absorption spectrum of the B 2A'1 ← X 2A''2 electronic system

The results were obtained by performing multiple shock wave experiments (1565 ± 30 K) and varying the laser wavelength from experiment to experiment; 200 ppm azomethane/Ar mixtures were used

Absorption constants k (atm-1 cm-1 (base e) plotted in Fig. 4 have been digitized and converted to absorption cross sections (conversion factor RT = 1.36×10-22 T; R (gas constant) in cm3 atm molecule-1 K-1)

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