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) / Organic radicals / CH3C(O) / Cameron(2002)_298K_190-248nm

DATAFILE: CH3C(O)_Cameron(2002)_298K_190-248nm.txt
NAME: acetyl radical
FORMULA: CH3C(O)
AUTHOR(YEAR): Cameron(2002)
T: 298K
λ: 190-248nm
BIBLIOGRAPHY: M. Cameron, V. Sivakumaran, T.J. Dillon, and J.N. Crowley, "Reaction between OH and CH3CHO. Part 1. Primary product yields of CH3 (296 K), CH3CO (296 K), and H (237-296 K)", Phys. Chem. Chem. Phys. 4, 3628-3638 (2002); DOI: 10.1039/B202586H
COMMENTS: The absorption spectrum was measured using a diode array spectrometer and normalized to the result from the single wavelength experiment, σ(220 nm) = 1.4×10-17 cm2 molecule-1

The listed absorption cross sections were calculated using the fit of the experimental data to the semi-logarithmic Gaussian function
(information obtained by personal communication from John Crowley, December 2008)

σ(λ) = a1 exp{ -a2 [ln(a3/λ)]2} with

a1 = 1.549×10-17 cm2 molecule-1
a2 = 129.19
a3 = 213.985 nm

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