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
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DATAFILE: | CH2O_JPL-2010(2011)_223K_251.6-350.0nm(rec,atm).txt |
NAME: | formaldehyde, methanal |
FORMULA: | CH2O |
AUTHOR(YEAR): | JPL-2010(2011) |
T: | 223K |
λ: | 251.6-350.0nm(rec,atm) |
BIBLIOGRAPHY: |
S.P. Sander, J. Abbatt, J. R. Barker, J. B. Burkholder, R. R. Friedl, D. M. Golden, R. E. Huie, C. E. Kolb, M. J. Kurylo, G. K. Moortgat, V. L. Orkin and P. H. Wine, "Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies, Evaluation Number 17",
JPL Publication 10-6, Jet Propulsion Laboratory, Pasadena, 2011; http://jpldataeval.jpl.nasa.gov/
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COMMENTS: | JPL-2010 recommendation, adopting the earlier recommendation of
S.P. Sander, R.R. Friedl, D.M. Golden, M.J. Kurylo, G.K. Moortgat, H. Keller-Rudek, P.H. Wine, A.R. Ravishankara, C.E. Kolb, M.J. Molina, B.J. Finlayson-Pitts, R.E. Huie, V.L. Orkin, “Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies. Evaluation Number 15“, JPL Publication 06-2, Jet Propulsion Laboratory, Pasadena, 2006; http://jpldataeval.jpl.nasa.gov/ :
224-373nm(int-c), i.e., averaged over the spectral intervals of 500 cm-1 and 5 nm used in atmospheric modelling calculations; intervals No. 71-107: 224.7-227.3, 227.3-229.9,....., 307.7-312.5, 312.5-317.5, ....., 367.5-372.5 nm; first column: center of interval, of R. Meller and G.K. Moortgat, "Temperature dependence of the absorption cross sections of formaldehyde between 223 and 323 K in the wavelength range 225-375 nm," J. Geophys. Res. 105(D6), 7089-7101 (2000); DOI: 10.1029/1999JD901074 , and empirical fit of the temperature dependence (223-323 K): σ(λ, T) = σ(298 K) + Γ × (T - 298 K) with the temperature coefficients ----------------------------------------
λ 1024 Γ
(nm) (cm2 molec.-1 K-1)
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251.6 0.720
254.8 1.77
258.1 5.35
261.4 1.45
264.9 5.00
268.5 2.80
272.1 3.87
275.9 -5.73
279.7 -3.60
283.7 -22.3
287.7 -7.47
292.0 -34.9
296.3 5.73
300.8 2.80
305.4 -1.73
310.1 -5.47
315.0 8.40
320.0 8.13
325.0 3.87
330.0 10.5
335.0 1.71
340.0 15.2
345.0 0.480
350.0 -3.40
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