The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

uvvis.mpch-mainz.gwdg.de

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 / Halogen oxides / Cl oxides / ClOOCl / Chen(2009)_250K_308,351nm(photodiss. cross sect.)

DATAFILE: ClOOCl_Chen(2009)_250K_308,351nm(photodiss. cross sect.).txt
NAME: dichlorine dioxide, chlorine monoxide dimer, chlorine peroxide
FORMULA: ClOOCl
AUTHOR(YEAR): Chen(2009)
T: 250K
λ: 308,351nm(photodiss. cross sect.)
BIBLIOGRAPHY: H.-Y. Chen, C.Y. Lien, W.-Y. Lin, Y.T. Lee, and J.J. Jim J. Lin, "UV absorption cross sections of ClOOCl are consistent with ozone degradation models", Science 324, 781-784 (2009); DOI: 10.1126/science.1171305
COMMENTS: Photodissociation cross section (Φσ), i.e., the product of the dissociation quantum yield Φ of ClOOCl (presumably = 1) and the ClOOCl absorption cross section σ

(Φσ) has been determined using molecular beams with mass detection

The value listed for 308 nm is the mean of (Φσ) = 5.077e-19 and 5.109e-19 determined with, respectively, Cl2 and Cl2O as the reference molecules

The value listed for 351 nm is determined with Cl2 as the reference molecule

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