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 / Nitrogen+compounds(N,H,O) / HO2NO2 / Knight(2002)_318K_280-350nm

DATAFILE: HO2NO2_Knight(2002)_318K_280-350nm.txt
NAME: peroxynitric acid
FORMULA: HO2NO2
AUTHOR(YEAR): Knight(2002)
T: 318K
λ: 280-350nm
BIBLIOGRAPHY: G. Knight, A.R. Ravishankara, and J.B. Burkholder, "UV absorption cross sections of HO2NO2 between 343 and 273 K", Phys. Chem. Chem. Phys. 4, 1432-1437 (2002); DOI: 10.1039/B108904H
COMMENTS: Absorption measurements at 273, 296, 318, and 343 K and over the wavelength range 220-350 nm using a 0.5 m spectrometer with a 1024 element diode array detector and a 30 W D2 lamp light source; spectral resolution ∼1.5 nm

The temperature dependence has been parameterized by a simple two component absorption model:

σ(T, λ) = σ0(λ)/Q + σ1(λ)(1 - 1/Q), where Q = 1 + exp(-ΔE/(0.69T)) and ΔE = 988 cm-1.

The spectra have been scaled to the reported cross section data at 250-270 nm of

L.T. Molina and M.J. Molina, "UV absorption cross sections of HO2NO2 acid vapor," J. Photochem. 15, 97-108 (1981), and

R.J. Singer, J.N. Crowley, J.P. Burrows, W. Schneider, and G.K. Moortgat, "Measurement of the absorption cross-section of peroxynitric acid between 210 and 330 nm in the range 253 -298 K," J. Photochem. Photobiol. 48, 17-32 (1989)

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