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 / Alkynes,polyynes+radicals / Alkynes / C4H6-2 / HamaiHirayama(1979)_298K_162-221nm

DATAFILE: C4H6-2_HamaiHirayama(1979)_298K_162-221nm.txt
NAME: 2-butyne, dimethylacetylene
FORMULA: C4H6-2
AUTHOR(YEAR): HamaiHirayama(1979)
T: 298K
λ: 162-221nm
BIBLIOGRAPHY: S. Hamai and F. Hirayama, "Fluorescence of acetylenic hydrocarbons", J. Chem. Phys. 71, 2934-2939 (1979); DOI: 10.1063/1.438695
COMMENTS: CH3C≡CCH3 Absorption measurements using a VUV spectrophotometer(bandpass of 0.33 nm) with a deuterium lamp as light source

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

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