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 / Organics (N-compounds) / Nitrates / CH3ONO2 / IUPAC(2006)_298K_240-340nm(rec)

DATAFILE: CH3ONO2_IUPAC(2006)_298K_240-340nm(rec).txt
NAME: methyl nitrate
FORMULA: CH3ONO2
AUTHOR(YEAR): IUPAC(2006)
T: 298K
λ: 240-340nm(rec)
BIBLIOGRAPHY: R. Atkinson, D.L. Baulch, R.A. Cox, J.N. Crowley, R.F. Hampson, R.G. G. Hynes, M.E. Jenkin, M.J. Rossi, and J. Troe, "Evaluated kinetic and photochemical data for atmospheric chemistry: Volume II - gas phase reactions of organic species", Atmos. Chem. Phys. 6, 3625-4055 (2006); DOI: 10.5194/acp-6-3625-2006
COMMENTS: IUPAC(2006) recommendation:

The preferred values of the absorption cross-sections at 298 K are average values from the data of

J.M. Roberts and R.W. Fajer, "UV absorption cross sections of organic nitrates of potential atmospheric importance and estimation of atmospheric lifetimes," Environ. Sci. Technol. 23, 945-951 (1989); DOI: 10.1021/es00066a003,

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-, and

R.K. Talukdar, J.B. Burkholder, M. Hunter, M.K. Gilles, J.M. Roberts, and A.R. Ravishankara, "Atmospheric fate of several alkyl nitrates. Part 2. UV absorption cross-sections and photodissociation quantum yields," J. Chem. Soc. Faraday Trans. 93, 2797-2805 (1997); DOI: 10.1039/A701781B.

Temperature coefficients B for the parameterization
ln σ(T) = ln σ(298 K) + B × (T-298) at T = 240-360 K:

--------------------
λ  103 B
(nm) (K-1)
--------------------
240  3.48
245  3.29
250  2.96
255  2.82
260  2.83
265  2.92
270  3.08
275  3.28
280  3.51
290  4.04
295  4.47
300  4.94
305  5.56
310  6.33
315  7.34
320  8.74
325  9.97
330 13.6

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