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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Contact, Imprint, 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-CFC(C,F,Cl) / CF3CF2Cl(CFC-115) / SPARC(2013)_298K_121.567nm(rec)

DATAFILE: CF3CF2Cl(CFC-115)_SPARC(2013)_298K_121.567nm(rec).txt
NAME: pentafluorochloroethane (CFC-115)
FORMULA: CF3CF2Cl(CFC-115)
AUTHOR(YEAR): SPARC(2013)
T: 298K
λ: 121.567nm(rec)
BIBLIOGRAPHY: J.B. Burkholder, W. Mellouki, E.L. Fleming, C. George, D.E. Heard, C.H. Jackman, M.J. Kurylo, V.L. Orkin, W.H. Swartz, and T.J. Wallington, "Evaluation of Atmospheric Loss Processes: Photochemistry Supplement", SPARC Lifetimes Report (2013) – SPARC Report No. 6, Chapter 3: Supplement 4, 3S4-1 - 3S4-52 (2013); www.sparc-climate.org/publications/sparc-reports/
COMMENTS: Recommended absorption cross section at the Lyman-α wavelength with an estimated uncertainty factor p(298 K) = 3

The value is taken from

A.R. Ravishankara, S. Solomon, A.A. Turnipseed, and R.F. Warren, "Atmospheric lifetimes of long-lived halogenated species", Science 259, 194-199 (1993); DOI: 10.1126/science.259.5092.194 ,

who measured the cross section directly at Lyman-α.

The large uncertainty factor is due to the large discrepancy between the available data of Ravishankara et al. and

J. Doucet, P. Sauvageau, and C. Sandorfy, "Photoelectron and far-ultraviolet absorption spectra of chlorofluoro derivatives of ethane", J. Chem. Phys. 62, 355-359 (1975);DOI: 10.1063/1.430493

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