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 / Halogeno-alkanes+radicals / Freons-HCFC(C,H,F,Cl) / CHF2Cl(HCFC-22) / IUPAC(2008)_210K_188-204nm(rec)

DATAFILE: CHF2Cl(HCFC-22)_IUPAC(2008)_210K_188-204nm(rec).txt
NAME: difluorochloromethane (HCFC-22)
FORMULA: CHF2Cl(HCFC-22)
AUTHOR(YEAR): IUPAC(2008)
T: 210K
λ: 188-204nm(rec)
BIBLIOGRAPHY: R. Atkinson, D.L. Baulch, R.A. Cox, J.N. Crowley, R.F. Hampson, R.G. Hynes, M.E. Jenkin, M.J. Rossi, J. Troe, and T.J. Wallington, "Evaluated kinetic and photochemical data for atmospheric chemistry: Volume IV - gas phase reactions of organic halogen species", Atmos. Chem. Phys. 8, 4141-4496 (2008); DOI: 10.5194/acp-8-4141-2008
COMMENTS: IUPAC(2008) recommendation:

The preferred values of the absorption cross-sections at 210 K are those reported by

P.C. Simon, D. Gillotay, N. Vanlaethem-Meurée, and J. Wisemberg, "Ultraviolet absorption cross-sections of chloro- and chlorofluoro-methanes at stratospheric temperatures," J. Atmos. Chem. 7, 107-135 (1988); DOI: 10.1007/BF00048042; Aeronomica Acta A 324, 1-55 (1988).

The temperature dependence betwenn 298 and 210 K has been reported, with the values at the shorter wavelengths being temperature-independent within the precision of the measurements. The values at longer wavelengths show a decrease as the temperature is lowered

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