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 / Iodoalkanes(C,H,F,Cl,Br,I) / CH2BrI / Mossinger(1998)_348K_215-375nm(calc)

DATAFILE: CH2BrI_Mossinger(1998)_348K_215-375nm(calc).txt
NAME: bromoiodomethane
FORMULA: CH2BrI
AUTHOR(YEAR): Mossinger(1998)
T: 348K
λ: 215-375nm(calc)
BIBLIOGRAPHY: J.C. Mössinger, D.E. Shallcross, and R.A. Cox, "UV-VIS absorption cross-sections and atmospheric lifetimes of CH2Br2, CH2I2, and CH2BrI", J. Chem. Soc. Faraday Trans. 94, 1391-1396 (1998); DOI: 10.1039/A709160E
COMMENTS: Absorption measurements at 273 to 348 K using a dual-beam diode array spectrometer (spectral resolution ∼0.6 nm)

Calculated absorption cross sections using the values measured at 298 K, the equation

ln σ(λ, T) = ln σ(λ, 298 K) + B × (T - 298),

and the temperature coefficients B:

-------------------
λ    103 B
(nm)  (K-1)
-------------------
215 -2.16
220 -0.12
225  1.34
230  2.06
235  2.05
240  1.01
245  0.00
250 -0.58
255 -1.16
260 -1.29
265 -1.45
270 -1.73
275 -1.22
280 -0.94*)
285 -0.53
290  0.10
295  0.63
300  1.03
305  1.13
310  1.41
315  1.52
320  1.71
325  2.36
330  2.99
335  3.89
340  4.79
345  5.74
350  6.73
355  9.47
360 11.50
365 11.60
370 14.30
375 17.40

*) B(280 nm) erroneously +0.00094 in Table 1; corrected to -0.00094, after personal communication with Juliane Mössinger (March 2001)

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