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 / Talukdar(1997)_280K_236-334nm(calc)

DATAFILE: CH3ONO2_Talukdar(1997)_280K_236-334nm(calc).txt
NAME: methyl nitrate
FORMULA: CH3ONO2
AUTHOR(YEAR): Talukdar(1997)
T: 280K
λ: 236-334nm(calc)
BIBLIOGRAPHY: 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
COMMENTS: Absorption measurements at 240 to 360K using a diode array spectrometer

The absorption cross sections have been calculated using the values measured at 298 K, the equation

σ(T) = σ(298 K) × exp[B × (T - 298)],

and the temperature coefficients B:

------------------------
λ   103 B
(nm) (K-1)
------------------------
236  3.35
238  3.44
240  3.49
242  3.45
244  3.36
246  3.24
248  3.10
250  2.97
252  2.88
254  2.82
256  2.79
258  2.80
260  2.81
262  2.84
264  2.89
266  2.94
268  3.01
270  3.08
272  3.15
274  3.24
276  3.32
278  3.40
280  3.51
282  3.61
284  3.72
286  3.84
288  3.96
290  4.08
292  4.21
294  4.38
296  4.56
298  4.72
300  4.91
302  5.14
304  5.43
306  5.67
308  6.00
310  6.27
312  6.68
314  7.13
316  7.54
318  8.00
320  8.88
322  9.32
324 10.3
326 10.7
328 11.5
330 13.8
332 15.5
334 16.1

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