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 / Organics (N-compounds) / Nitrates / CH3ONO2 / Rattigan(1992)_239K_220-330nm

DATAFILE: CH3ONO2_Rattigan(1992)_239K_220-330nm.txt
NAME: methyl nitrate
FORMULA: CH3ONO2
AUTHOR(YEAR): Rattigan(1992)
T: 239K
λ: 220-330nm
BIBLIOGRAPHY: O. Rattigan, R.L. Lutman, R.L. Jones, and R.A. Cox, "Temperature-dependent absorption cross-sections of gaseous nitric acid and methyl nitrate", J. Photochem. Photobiol. A: Chem. 66, 313-326 (1992); DOI: 10.1016/1010-6030(92)80003-E
COMMENTS: Absorption measurements using a deuterium lamp as a light source and a dual-beam diode array spectrometer with a spectral resolution of 0.3 nm

Absorption cross sections at 5-nm intervals as listed in Table 1

A plot for the temperature dependence

log10 σ = log10 σ0 + B × T

gives for the intercept σ0 and the slope B (= temperature coefficient):

--------------------------------------------------
λ (nm) σ0 (cm2 molec.-1) B(K-1)
--------------------------------------------------
270  8.75e-21     3.31e-3
280  4.85e-21     3.95e-3
290  2.17e-21     4.62e-3
300  6.3e-22       5.90e-3
310  1.29e-2       7.42e-3
320  3.5e-24       1.51e-2
330  9.0e-25       1.37e-2

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