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) / C2H5I / Roehl(1997)_298K_205-365nm

DATAFILE: C2H5I_Roehl(1997)_298K_205-365nm.txt
NAME: iodoethane, ethyl iodide
FORMULA: C2H5I
AUTHOR(YEAR): Roehl(1997)
T: 298K
λ: 205-365nm
BIBLIOGRAPHY: C.M. Roehl, J.B. Burkholder, G.K. Moortgat, A.R. Ravishankara, and P.J. Crutzen, "Temperature dependence of UV absorption cross sections and atmospheric implications of several alkyl iodides", J. Geophys. Res. 102(D11), 12819-12829 (1997); DOI: 10.1029/97JD00530
COMMENTS: Absorption measurements at 223, 248, 273, and 298 K with a spectral resolution of 0.3 nm using a diode array spectrometer

Second-order polynomial fit of the temperature dependence (210-298 K):

σ(λ, T) = σ(298 K) × [1 + a1(T - 298) + a2(T - 298)2] with

--------------------------------
λ   103 a1 105 a2
(nm) (K-1)   (K-2)
--------------------------------
205  6.38  3.15
210  4.07  6.28
215  4.93  6.75
220  4.06  5.70
225  2.81  3.81
230  2.62  3.83
235  1.28  2.17
240  0.876   1.96
245  0.233   1.62
250 -0.111  1.58
255 -1.03    0.606
260 -1.48   -0.0332
265 -1.09  1.2e-6
270 -0.54   -0.257
275  0.770  0.0299
280  2.01  0.110
285  3.85  0.926
290  5.47  1.65
295  7.00  2.52
300  8.56  4.11
305  9.31  4.89
310 10.56   6.87
315 10.83   6.81
320 11.98   9.76
325 12.98  11.30
330 14.56  17.50
335 18.81  24.60
340 13.90  9.08
345 18.86  22.1
350 20.19  20.1
355 -7.04  -40.5

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