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 / JonesTaylor(1955)_298K_168-208nm

DATAFILE: (CH3)2C=CH2_JonesTaylor(1955)_298K_168-208nm.txt
NAME: isobutene, 2-methylpropene
FORMULA: (CH3)2C=CH2
AUTHOR(YEAR): JonesTaylor(1955)
T: 298K
λ: 168-208nm
BIBLIOGRAPHY: L.C. Jones and L.W. Taylor, "Far ultraviolet absorption spectra of unsaturated and aromatic hydrocarbons", Anal. Chem. 27, 228-237 (1955); DOI: 10.1021/ac60098a015
COMMENTS: Absorption measurements using a VUV monochromator, a windowless hydrogen discharge tube, and a photomultiplier (spectral band width 0.17 nm)

Extinction coefficients plotted in Fig. 6 A have been digitized and converted to absorption cross sections (conversion factor 3.8235×10-21)

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