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 / Hypohalides+oxy acids of halogens / HOI / Rowley(1999)_298K_280-470nm

DATAFILE: HOI_Rowley(1999)_298K_280-470nm.txt
NAME: hypoiodous acid
FORMULA: HOI
AUTHOR(YEAR): Rowley(1999)
T: 298K
λ: 280-470nm
BIBLIOGRAPHY: D.M. Rowley, J.C. Mössinger, R.A. Cox, and R.L. Jones, "The UV-visible absorption cross-sections and atmospheric photolysis rate of HOI", J. Atmos. Chem. 34, 137-151 (1999); DOI: 10.1023/A:1006210322389
COMMENTS: Absorption measurements using a flash photolysis/UV absorption spectroscopy system

Parameterization of the measured values to the semilogarithmic Gaussian distribution function for each of the two absorption bands:

σ(λ) = {σmax × exp(-W[ln(λmax/λ)]2)}first + {σmax × exp(-W[ln(λmax/λ)]2)}second

with
σmax = (3.99 ± 0.33)×10-19 cm2 molecule-1, W = 174.4 ± 5.8, λmax = (338.4 ± 0.2) nm for band 1, and

σmax = (2.85 ± 0.22)×10-19 cm2 molecule-1, W = 196.0 ± 5.8, λmax = (404.8 ± 0.2) nm for band 2

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