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) / i-C3H7I,CH3CHICH3 / Roehl(1997)_298K_205-380nm

DATAFILE: i-C3H7I,CH3CHICH3_Roehl(1997)_298K_205-380nm.txt
NAME: 2-iodopropane, iodoisopropane, isopropyl iodide
FORMULA: i-C3H7I,CH3CHICH3
AUTHOR(YEAR): Roehl(1997)
T: 298K
λ: 205-380nm
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 15.14  8.46
210  7.84   7.23
215  4.96   5.08
220  1.55   1.27
225  2.21   1.99
230  1.60   1.80
235  0.480  0.681
240 -0.333  0.121
245 -0.680  0.0947
250 -0.795  0.289
255 -0.966  0.570
260 -1.14    0.512
265 -0.589  0.824
270 -0.439  0.281
275  0.792  0.873
280  1.65    0.466
285  2.88    0.534
290  4.13    0.559
295  5.71    1.04
300  7.20    1.93
305  8.19    2.33
310  8.75    2.81
315  8.49    2.25
320 10.79   4.36
325  9.54    2.76
330 10.99   5.94
335 12.37   7.58
340 13.69  12.2
345 16.32  17.1
350 18.50  24.7
355 19.41  24.3
360 18.61  13.9
365 29.85  50.9
370 37.24  76.8
375 36.71  80.7
380 22.00  40.0

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