MPG

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


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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 / Iodoalkanes(C,H,F,Cl,Br,I) / CF3I / IUPAC(2008)_298K_235-390nm(rec)

DATAFILE: CF3I_IUPAC(2008)_298K_235-390nm(rec).txt
NAME: trifluoroiodomethane
FORMULA: CF3I
AUTHOR(YEAR): IUPAC(2008)
T: 298K
λ: 235-390nm(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:

Mean of the data of

S. Solomon, J.B. Burkholder, A.R. Ravishankara, and R.R. Garcia, "Ozone depletion and global warming potentials of CF3I," J. Geophys. Res. 99(D10), 20929-20935 (1994); DOI: 10.1029/94JD01833,

A. Fahr, A.K. Nayak, and R. Huie, "Temperature dependence of the ultraviolet absorption cross section of CF3I," Chem. Phys. 199, 275-284 (1995); DOI: 10.1016/0301-0104(95)00193-R , and

O.V. Rattigan, D.E. Shallcross, and R.A. Cox, "UV absorption cross-sections and atmospheric photolysis rates of CF3I, CH3I, C2H5I and CH2ICl," J. Chem. Soc. Faraday Trans. 93, 2839-2846 (1997); DOI: 10.1039/A701529A

The temperature dependence was parameterized by

ln σ(T) = ln σ(298K) + B × (T - 298),

and the temperature coefficients B (200-333 K) are the means of those derived by Solomon et al. (1994), Fahr et al. (1995), and Rattigan et al. (1997):

------------------
λ  103 B
(nm) (K-1)
------------------
235  0.155
240  0.21
245 -0.121
250 -0.45
255 -0.766
260 -0.992
265 -1.07
270 -0.936
275 -0.554
280 -0.0505
285  1.02
290  2.18
295  3.34
300  4.56
305  5.81
310  6.82
315  7.49
320  7.89
325  8.22
330  8.57
335  9.06
340  9.98
345 10.9
350 12.5
355 13.3
360 14.6
365 14.6
370 15.5
375 17.1
380 17.7
385 19.7
390 22.6

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