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 / Alkenes / (CH3)2C=CH2 / GaryPickett(1954)_298K_158.8-208.2nm

DATAFILE: (CH3)2C=CH2_GaryPickett(1954)_298K_158.8-208.2nm.txt
NAME: isobutene, 2-methylpropene
FORMULA: (CH3)2C=CH2
AUTHOR(YEAR): GaryPickett(1954)
T: 298K
λ: 158.8-208.2nm
BIBLIOGRAPHY: J.T. Gary and L.W. Pickett, "The far ultraviolet absorption spectra of isomeric butenes", J. Chem. Phys. 22, 599-602 (1954); DOI: 10.1063/1.1740132
COMMENTS: Absorption measurement using a Hilger fluorite prism spectrograph with a hydrogen lamp, and photometrical analysis of the photographic plates

Extinction coefficients vs. wavenumber plotted in Fig. 1 have been digitized and converted to absorption cross sections (conversion factor 3.8235×10-21) vs. wavelength

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