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 / Hydroperoxy HO2 and DO2 / HO2 / Hochanadel(1972)_296K_185-260nm(L-rev)

DATAFILE: HO2_Hochanadel(1972)_296K_185-260nm(L-rev).txt
NAME: hydroperoxy radical
FORMULA: HO2
AUTHOR(YEAR): Hochanadel(1972)
T: 296K
λ: 185-260nm(L-rev)
BIBLIOGRAPHY: C.J. Hochanadel, J.A. Ghormley, and P.J. Ogren, "Absorption spectrum and reaction kinetics of the HO2 radical in the gas phase", J. Chem. Phys. 56, 4426-4432 (1972); DOI: 10.1063/1.1677885
COMMENTS: Flash photolysis of H2O vapor (3%) in an atmosphere of H2, He or Ar containing ∼2% O2

L-rev = Lightfoot review

Extinction coefficients have been read from Fig. 3, normalized to the value of σ(HO2) = 4.05×10-18 cm2 molecule-1 at 220 nm obtained in subsequent work by Hochanadel et al. (1980), then converted to absorption cross sections, and reported by

P.D. Lightfoot, R.A. Cox, J.N. Crowley, M. Destriau, G.D. Hayman, M.E. Jenkin, G.K. Moortgat, and F. Zabel, "Organic peroxy radicals: Kinetics, spectroscopy and tropospheric chemistry," Atmos. Environ. 26A, 1805-1961 (1992); DOI: 10.1016/0960-1686(92)90423-I

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