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 / N2O / RomandMayence(1949)_291K_139-233nm

DATAFILE: N2O_RomandMayence(1949)_291K_139-233nm.txt
NAME: nitrous oxide
FORMULA: N2O
AUTHOR(YEAR): RomandMayence(1949)
T: 291K
λ: 139-233nm
BIBLIOGRAPHY: J. Romand and J. Mayence, "Spectre d'absorption de l'oxide azoteux gazeux dans la région de Schumann", Compt. Rend. Acad. Sci. Paris 228, 998-1000 (1949)
COMMENTS: Absorption spectra have been obtained by photographic spectrometry

Extinction coefficients have been digitized from the figure and converted to absorption cross sections (conversion factor 3.8235×10-21) vs. wavelengths

Values for the two absorption maxima are given in the text:

λ = 145 nm:
log ε = 3.06, ε = 1150 L mol-1 cm-1, i.e., σ = 4.397×10-18 cm2 molecule-1,

λ = 184 nm :
log ε = 1.48, ε = 30.5 L mol-1 cm-1, i.e., σ = 1.17×10-18 cm2 molecule-1

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