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 / Freons-HCFC(C,H,F,Cl) / CH3CFCl2(HCFC-141b) / GillotaySimon(1991)_250K_170-240nm(2nm)

DATAFILE: CH3CFCl2(HCFC-141b)_GillotaySimon(1991)_250K_170-240nm(2nm).txt
NAME: 1,1,1-fluorodichloroethane (HCFC-141b)
AUTHOR(YEAR): GillotaySimon(1991)
T: 250K
λ: 170-240nm(2nm)
BIBLIOGRAPHY: D. Gillotay and P.C. Simon, "Temperature-dependence of ultraviolet absorption cross-sections of alternative chlorofluoroethanes", Aeronomica Acta A 358, 1-27 (1991); J. Atmos. Chem. 12, 269-285 (1991); DOI: 10.1007/BF00048076
COMMENTS: Medium-resolution (0.1 nm) absorption spectrum; wavelength scanning at increments of 1 nm; interpolation for 2-nm intervals

Data also in the review article of

D. Gillotay and P.C. Simon, "Ultraviolet absorption cross-sections of photoactive species of stratospheric interest. Part 1: The Halocarbons", Aeronomica Acta A 356, 1-173 (1990)

Parameterization of the temperature dependence valid over the wavelength range 172 to 240 nm and for temperatures between 210 and 300 K:

log10 σ(λ,T) = ∑Ai λi + (T-273) × ∑ Bi λi, i = 0-4,

with the following parameters Ai and Bi:

i    Ai         Bi
0  -682.913042     4.074747
1   12.122290     -8.053899 × 10-2
2  -8.187699 × 10-2   5.946552 × 10-4
3   2.437244 × 10-4  -1.945048 × 10-6
4  -2.719103 × 10-7   2.380143 × 10-9

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