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 / Nitrogen oxides / NO3 / JohnstonGraham(1974)_295K_451-680nm

DATAFILE: NO3_JohnstonGraham(1974)_295K_451-680nm.txt
NAME: nitrate radical
FORMULA: NO3
AUTHOR(YEAR): JohnstonGraham(1974)
T: 295K
λ: 451-680nm
BIBLIOGRAPHY: H.S. Johnston and R. Graham, "Photochemistry of NOx and HNOx compounds", Can. J. Chem. 52, 1415-1423 (1974); DOI: 10.1139/v74-214
COMMENTS: Scanning monochromator in conjunction with a multiple reflection long-path gas cell; deuterium arc as a light source; spectral resolution 0.7 nm

absorption cross sections at 1-nm intervals as listed in Table 2

The Absorption cross sections are estimated to be uncertain by ±50%, and they are smaller by a factor ∼4 than those determined later by

R.A. Graham and H.S. Johnston, "The photochemistry of NO3 and the kinetics of the N2O5-O3 system," J. Phys. Chem. 82, 254-268 (1978); DOI: 10.1021/j100492a002

Steady state concentration of NO3 based on kinetic data and determined (extrapolation of the 650-1025K data to 300 K) by

G. Schott and N. Davidson, "Shock waves in chemical kinetics: The decomposition of N2O5 at high temperatures," J. Am. Chem. Soc. 80, 1841-1853 (1958); DOI: 10.1021/ja01541a018

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