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 / IO / Harwood(1997)_298K_338-488nm(0.15nm)

DATAFILE: IO_Harwood(1997)_298K_338-488nm(0.15nm).txt
NAME: iodine monoxide
FORMULA: IO
AUTHOR(YEAR): Harwood(1997)
T: 298K
λ: 338-488nm(0.15nm)
BIBLIOGRAPHY: M.H. Harwood, J.B. Burkholder, M. Hunter, R.W. Fox, and A.R. Ravishankara, "Absorption cross sections and self-reaction kinetics of the IO radical", J. Phys. Chem. A 101, 853-863 (1997); DOI: 10.1021/jp962429b
COMMENTS: Flash photolysis-UV-VIS absorption technique; diode array spectrometer; spectral resolution: 0.44 nm

The high-resolution spectrum of the (4-0) band (monochromator-PMT detection system) was degraded by convolving it with the instrument function of the diode array (approximated by a Gaussian function with a fwhm = 0.44). This approach showed that the cross section at the peak of the (4-0) band in the diode array spectrum should be 0.83 of the value determined with the PMT detection. The diode array spectrum was then scaled to this value

Absorption cross sections have been obtained by personal communication (2001) from John N. Crowley, Max-Planck-Institut für Chemie, Mainz, Germany

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