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 (carbonyls) / Aldehydes(aliphatic) / i-C3H7CHO,(CH3)2CHCHO / IUPAC(2021)_298K_202-359nm(rec)

DATAFILE: i-C3H7CHO,(CH3)2CHCHO_IUPAC(2021)_298K_202-359nm(rec).txt
NAME: isobutyraldehyde, 2-methylpropanal
FORMULA: i-C3H7CHO,(CH3)2CHCHO
AUTHOR(YEAR): IUPAC(2021)
T: 298K
λ: 202-359nm(rec)
BIBLIOGRAPHY: A. Mellouki, M. Ammann, R. A. Cox, J. N. Crowley, H. Herrmann, M. E. Jenkin, F. McNeill, J. Troe, and T. J. Wallington, "Evaluated kinetic and photochemical data for atmospheric chemistry: volume VIII – gas-phase reactions of organic species with four, or more, carbon atoms ( ≥  C4)", Atmos. Chem. Phys. 21, 4797–4808 (2021); DOI: 10.5194/acp-21-4797-2021
COMMENTS: IUPAC(2021) recommendation:

The preferred absorption cross-sections are a simple average of the measurements of

R.D. Martinez, A.A. Buitrago, N.W. Howell, C.H. Hearn, and J.A. Joens, "The near UV absorption spectra of several aliphatic aldehydes and ketones," Atmos. Environ. 26A, 785-792 (1992); DOI: 10.1016/0960-1686(92)90238-G, and

V. McMillan, 1966, personal communication to J.G. Calvert, J.N. Pitts, Jr., Photochemistry, John Wiley & Sons, New York, 1966, p. 369 (taken from the Spectral Atlas, http://www.uv-vis-spectral-atlas-mainz.org *) ) at each corresponding wavelength

*) The obsolete old link for the Spectral Atlas has to be corrected

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