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) / CF3CHFCl(HCFC-124) / GillotaySimon(1991)_295K_170-230nm(1nm)

DATAFILE: CF3CHFCl(HCFC-124)_GillotaySimon(1991)_295K_170-230nm(1nm).txt
NAME: 1,1,1,2-tetrafluoro-2-chloroethane (HCFC-124)
AUTHOR(YEAR): GillotaySimon(1991)
T: 295K
λ: 170-230nm(1nm)
BIBLIOGRAPHY: D. Gillotay and P.C. Simon, "Temperature-dependence of ultraviolet absorption cross-sections of alternative chlorofluoroethanes: 2. The 2-chloro-1,1,1,2-tetrafluoro ethane - HCFC-124", Aeronomica Acta A 362, 1-20 (1991); J. Atmos. Chem. 13, 289-299 (1991); DOI: 10.1007/BF00058136
COMMENTS: Medium-resolution (0.1 nm) absorption spectrum; wavelength scanning at increments of 1 nm

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 170 to 230 nm and for temperatures between 210 and 300 K:

log10 σ(λ,T) = ∑An λn + (T-273) × ∑ Bn λn, n = 0-3,

with the following parameters An and Bn:

n   An         Bn
0  -101.230250      -5.795712 × 10-2
1   1.333519      1.053901 ×10-3
2  -6.888672 ×10-3   -6.530379 × 10-6
3   1.114172 ×10-5    1.382056 ×10-8

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