The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany


Cross Sections

Quantum Yields


Contact, Impressum, Acknowledgements

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 / C2H2 / Wu(2001)_150K_120-190nm

DATAFILE: C2H2_Wu(2001)_150K_120-190nm.txt
NAME: acetylene, ethyne
AUTHOR(YEAR): Wu(2001)
T: 150K
λ: 120-190nm
BIBLIOGRAPHY: C.Y.R. Wu, F.Z. Chen, and D.L. Judge, "Measurements of temperature-dependent absorption cross sections of C2H2 in the VUV-UV region", J. Geophys. Res. 106 E, 7629-7636 (2001); DOI: 10.1029/2000JE001292

High-resolution (0.007 nm) absorption measurements using synchrotron radiation as a continuum light source

Absorption cross sections at 1 nm intervals derived from the high-resolution spectrum have been downloaded from

Absorption coefficients in cm-1 amagat-1 (base e) converted to absorption cross sections (conversion factor 3.72×10-20)

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