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 / Halogenated N-compounds(inorg) / IONO2 / Joseph(2007)_296K_240-370nm(0.18nm)

DATAFILE: IONO2_Joseph(2007)_296K_240-370nm(0.18nm).txt
NAME: iodine nitrate
FORMULA: IONO2
AUTHOR(YEAR): Joseph(2007)
T: 296K
λ: 240-370nm(0.18nm)
BIBLIOGRAPHY: D.M. Joseph, S.H. Ashworth, and J.M.C. Plane, "On the photochemistry of IONO2: absorption cross section (240-370 nm) and photolysis product yields at 248 nm", Phys. Chem. Chem. Phys. 9, 5599-5607 (2007); DOI: 10.1039/B709465E
COMMENTS: Pulsed photolysis at 193 nm of a NO2/CF3I mixture, followed by time-resolved Fourier transform spectroscopy; spectral resolution 30 cm -1, i.e., ∼0.2 nm at 240 nm reducing to ∼ 0.4 nm at 370 nm

A fifth-order polynomial fit *) through the measured data yields
(for λ = 240-370 nm and T = 296 K)

log10 σ (cm2 molecule-1) =
170.364 3.77332 λ + 2.96489×10-2 λ2 - 1.13916×10-4 λ3 + 2.14430×10-7 λ4 - 1.58724×10-10 λ5

and the listed absorption cross sections

*) The polynomial fit given in the publication shows too few significant figures in the coefficients and thus does not reproduce the data listed in Table 1

The corrected version of the polynomial fit has been obtained by personal communication from Stephen H. Ashworth (Oct 2007).

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