The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

www.uv-vis-spectral-atlas-mainz.org

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 / Alkanes / CH4 / Watanabe(1953)_295K_120.27-143.96nm

DATAFILE: CH4_Watanabe(1953)_295K_120.27-143.96nm.txt
NAME: methane
FORMULA: CH4
AUTHOR(YEAR): Watanabe(1953)
T: 295K
λ: 120.27-143.96nm
BIBLIOGRAPHY: K. Watanabe, M. Zelikoff, and E.C.I. Inn, "Absorption coefficients of several atmospheric gases", Air Force Cambridge Research Center Technical Report 53-23, 1953
COMMENTS: The absorption spectrum (k (atm, 298 K)-1 cm-1 (base e) vs. wavelength) depicted in Fig. 1 of

H. Okabe and D.A. Becker, Vacuum ultraviolet photochemistry. VII. Photolysis of n-butane, J. Chem. Phys. 39, 2549-2555 (1963); DOI: 10.1063/1.1734058,

has been digitized, and the absorption coefficients have been converted to absorption cross sections (conversion factor 4.06×10-20)

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