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 / Peroxy radicals / Alkylperoxy / C2H5O2 / Tyndall(2001)_298K_210-300nm(eval)

DATAFILE: C2H5O2_Tyndall(2001)_298K_210-300nm(eval).txt
NAME: ethylperoxy radical
FORMULA: C2H5O2
AUTHOR(YEAR): Tyndall(2001)
T: 298K
λ: 210-300nm(eval)
BIBLIOGRAPHY: G.S. Tyndall, R.A. Cox, C. Granier, R. Lesclaux, G.K. Moortgat, M.J. Pilling, A.R. Ravishankara, and T.J. Wallington, "The atmospheric chemistry of small organic peroxy radicals", J. Geophys. Res. 106(D11), 12157-12182 (2001); DOI: 10.1029/2000JD900746
COMMENTS: Recommendation based on the data of

T.J. Wallington, P. Dagaut, and M.J. Kurylo, "Measurements of the gas phase UV absorption spectrum of C2H5O2 radicals and of the temperature dependence of the rate constant for their self-reaction," J. Photochem. Photobiol. A: Chem. 42, 173-185 (1988),

M.M. Maricq and T.J. Wallington, "Absolute ultraviolet cross sections of methyl and ethyl peroxy radicals," J. Phys. Chem. 96, 986-992 (1992),

D. Bauer, J.N. Crowley, and G.K. Moortgat, "The UV absorption spectrum of the ethylperoxy radical and its self-reaction kinetics between 218 and 333 K," J. Photochem. Photobiol. A 65, 329-344 (1992), and

F.F. Fenter, V. Catoire, R. Lesclaux, and P.D. Lightfoot, "The ethylperoxy radical: Its ultraviolet spectrum, self-reaction, and reaction with HO2, each studied as a function of temperature," J. Phys. Chem. 97, 3530-3538 (1993).

The data were fitted to the Sulzer-Wieland function

σ = σmax × exp{-a [ln (ν - νmax)]2}

which yielded

σmax = 4.52×10-18 cm2·molecule-1, λmax = 239.4 nm, and a = 49.0

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