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 / Du(1996)_1175-1750K_215.94nm(fit)

DATAFILE: CH3_Du(1996)_1175-1750K_215.94nm(fit).txt
NAME: methyl radical
FORMULA: CH3
AUTHOR(YEAR): Du(1996)
T: 1175-1750K
λ: 215.94nm(fit)
BIBLIOGRAPHY: H. Du, J.P. Hessler, and P.J. Ogren, "Recombination of methyl radicals. 1. New data between 1175 and 1750 K in the falloff region", J. Phys. Chem. 100, 974-983 (1996); DOI: 10.1021/jp951217w
COMMENTS: Absorption measurements in shock-heated azomethane-argon mixtures at 215.94 nm by the tunable-laser flash-absorption technique

Absorption cross sections have been calculated by the least-squares expression

σ(T) = a exp(-T/b) = 2944 exp(-T/971) × 10-20

Error limts for the parameters a and b are +1469, -920 and +302, -187

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