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 / Alkenes,polyenes+radicals / Alkene radicals / CH2=C=C / AtkinsonHudgens(1999)_298K_242nm

DATAFILE: CH2=C=C_AtkinsonHudgens(1999)_298K_242nm.txt
NAME: vinylidenecarbene radical
FORMULA: CH2=C=C
AUTHOR(YEAR): AtkinsonHudgens(1999)
T: 298K
λ: 242nm
BIBLIOGRAPHY: D.B. Atkinson and J.W. Hudgens, "Chlorination chemistry. 1. Rate coefficients, reaction mechanisms, and spectra of the chlorine and bromine adducts of propargyl halides", J. Phys. Chem. A 103, 7978-7989 (1999); DOI: 10.1021/jp991076o
COMMENTS: Laser photolysis of Cl2-propargyl halide CH2XC≡CH (X = Cl, Br) mixtures and cavity ring-down detection of the CH2=C=C radical

The absolute absorption cross section at 240 nm was estimated by comparing it with the absorption cross section of the C3H3 radical

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