The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

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1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany


Cross Sections

Quantum Yields


Contact, Impressum, Acknowledgements

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 / Halogeno-alkanes+radicals / Iodoalkanes(C,H,F,Cl,Br,I) / CH3I / Felps(1991)_294K_257.7nm

DATAFILE: CH3I_Felps(1991)_294K_257.7nm.txt
NAME: iodomethane, methyl iodide
AUTHOR(YEAR): Felps(1991)
T: 294K
λ: 257.7nm
BIBLIOGRAPHY: W.S. Felps, K. Rupnik, and S.P. McGlynn, "Electronic spectroscopy of the cyanogen halides", J. Phys. Chem. 95, 639-656 (1991); DOI: 10.1021/j100155a028
COMMENTS: Absorption spectra were obtained on a 1-m VUV scanning monochromator with a 1200-line/mm grating and reciprocal dispersion of 8.3 Å/mm; slit widths varied from 90 μm at the 105.0-nm limit to 30 μm at the 300-nm limit

The spectrum between 110 and 310 nm is shown in Fig. 4

The extinction coefficient for the absorption maximum of the A-band system (from Table I) has been converted to the absorption cross section (conversion factor 3.8235×10-21)

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