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 / Halogen oxides / I oxides / OIO / IUPAC(2007)_298K_548.6nm(rec)

DATAFILE: OIO_IUPAC(2007)_298K_548.6nm(rec).txt
NAME: iodine dioxide
FORMULA: OIO
AUTHOR(YEAR): IUPAC(2007)
T: 298K
λ: 548.6nm(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, and J. Troe, "Evaluated kinetic and photochemical data for atmospheric chemistry: Volume III - gas phase reactions of inorganic halogens", Atmos. Chem. Phys. 7, 981-1191 (2007); DOI: 10.5194/acp-7-981-2007
COMMENTS: IUPAC(2007) recommendation:

The values at 548.6 nm range from (1.09 ± 0.21)×10-17 to (3.5 ± 1.5)×10-17 cm2 molecule-1. The preferred absorption cross section is the lower limit value from the study of

T. Ingham, M. Cameron, and J.N. Crowley, "Photodissociation of IO (355 nm) and OIO (532 nm): Quantum yields for O(3P) and I(2PJ) production," J. Phys. Chem. A 104, 8001-8010 (2000); DOI: 10.1021/jp001166p ,

and represents a compromise between the high and low values reported.
The uncertainty ± 1.6×10-17 cm2 molecule-1 covers the range of reported values

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