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 (carbonyls) / Carbonyl oxides / (CH3)2COO / Chang(2016)_298K_308.4,330,351.8nm

DATAFILE: (CH3)2COO_Chang(2016)_298K_308.4,330,351.8nm.txt
NAME: acetone oxide
FORMULA: (CH3)2COO
AUTHOR(YEAR): Chang(2016)
T: 298K
λ: 308.4,330,351.8nm
BIBLIOGRAPHY: Y.-P. Chang, C.-H. Chang, K. Takahashi, and J.J.-M. Lin, "Absolute UV absorption cross sections of dimethyl substituted Criegee intermediate (CH3)2COO", Chem. Phys. Lett. 653, 155-160 (2016); DOI: 10.1016/j.cplett.2016.04.082
COMMENTS: Absolute absorption cross sections at 308.4 and 351.8 nm were measured by laser depletion in a molecular beam (CH3CI2CH3/O2/Ar mixture), and the peak absorption at 330 nm was estimated by scaling the absorbances reported by

H.-L. Huang, W. Chao, and J.J.-M. Jim Jr-Min Lin, Kinetics of a Criegee intermediate that would survive high humidity and may oxidize atmospheric SO2, Proc. Natl. Acad. Sci. USA 112, 10857–10862 (2015),

to the absolute absorption cross section at 308.4 nm

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