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 / Peroxy radicals / Hydroperoxy HO2 and DO2 / HO2 / Lightfoot(1988)_298K_210-227.5nm

DATAFILE: HO2_Lightfoot(1988)_298K_210-227.5nm.txt
NAME: hydroperoxy radical
FORMULA: HO2
AUTHOR(YEAR): Lightfoot(1988)
T: 298K
λ: 210-227.5nm
BIBLIOGRAPHY: P.D. Lightfoot, B. Veyret, and R. Lesclaux, "The rate constant for the HO2 + HO2 reaction at elevated temperatures", Chem. Phys. Lett. 150, 120-126 (1988); DOI: 10.1016/0009-2614(88)80407-X
COMMENTS: Flash photolysis of Cl2/CH3OH/air mixtures coupled to UV absorption spectrometry

The relative absorption cross sections have been normalized to
σ(227.5 nm) = (3.0 ± 0.4)×10-18 cm2 molecule-1 obtained by

S.P. Sander, M. Peterson, R.T. Watson, and R. Patrick, "Kinetics studies of the HO2 + HO2 and DO2 + DO2 reactions at 298 K," J. Phys. Chem. 86, 1236-1240 (1982); DOI: 10.1021/j100397a002

and subsequently recommended by the NASA evaluation

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