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) / HONO / Graham(1975)_298K_300-400nm

DATAFILE: HONO_Graham(1975)_298K_300-400nm.txt
NAME: nitrous acid
FORMULA: HONO
AUTHOR(YEAR): Graham(1975)
T: 298K
λ: 300-400nm
BIBLIOGRAPHY: R.A. Graham, "Photochemistry of NO3 and the kinetics of the N2O5-O3 system", Ph. D. Thesis, Univ. of California, 1975
COMMENTS: Graham's original measurements gave relative numbers that should be multiplied by a factor of 2.4 (Graham, private communication, 1976) to bring them into agreement with the measurement of

L. Zafonte,, P. L. Rieger, and J. R. Holmes, "Some Aspects of the Atmospheric Chemistry of Nitrous Acid," Pacific Conference on Chemistry and Spectroscopy, Asilomar, California, 1975,

which provides an HONO-photolysis rate relative to an NO2 photolysis rate under conditions of broadband excitation (310 to 410 nm)

Absorption cross sections as quoted by

R.D. Hudson, "Chlorofluoromethanes and the stratosphere", NASA Reference Publication 1010 (1977), pp. 33 and 35

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