The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

https://www.uv-vis-spectral-atlas-mainz.org, https://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 / Peroxy radicals / Acylperoxy / ClC(O)O2 / Chao(2025)_298K_210-327nm

DATAFILE: ClC(O)O2_Chao(2025)_298K_210-327nm.txt
NAME: peroxychloroformyl radical
FORMULA: ClC(O)O2
AUTHOR(YEAR): Chao(2025)
T: 298K
λ: 210-327nm
BIBLIOGRAPHY: W. Chao, R. Skog, K.T. Pham, M. Okumura, C.J. Percival, B.N. Frandsen, and F.A.F. Winiberg., "Electronic state spectroscopy of the peroxychloroformyl ClC(O)OO radical", J. Phys. Chem A 129 11781-11790 (2025) DOI: 10.1021/acs.jpca.5c05575
COMMENTS: Absorption measurements using a multipass absorption UV-Vis spectrometer coupled to a photolysis flow reactor (photolysis of Cl2/CO/N2/O2 gas mixtures at 351 nm)

Temperature not indicated, room temperature assumed

Data have been obtained by personal communication from Wen Chao (January 2026)

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