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 / Sulfur compounds / Organic S-compounds / CH3(Cl)S(O)CH3 / Kleissas(2007)_296K_300-520nm

DATAFILE: CH3(Cl)S(O)CH3_Kleissas(2007)_296K_300-520nm.txt
NAME: dimethyl sulfoxide-chlorine adduct
FORMULA: CH3(Cl)S(O)CH3
AUTHOR(YEAR): Kleissas(2007)
T: 296K
λ: 300-520nm
BIBLIOGRAPHY: K.M. Kleissas, J.M. Nicovich, and P.H. Wine, "Spectroscopy and kinetics of the gas phase addition complex of atomic chlorine with dimethyl sulfoxide", J. Photochem. Photobiol. A. Chem. 187, 1-9 (2007); DOI: 10.1016/j.jphotochem.2006.08.020
COMMENTS: Laser flash photolysis (248 nm) of Cl2CO in the presence of CH3S(O)CH3 (and in some cases O2, NO, or NO2) to generate the CH3(Cl)S(O)CH3 radical adduct in the gas phase.
Absorption measurements were made at 310-510 nm relative to the carefully measured absorption cross section at the reference wavelength 390 nm. A fit function

σ(λ) = 4.02×10-17 × exp {-41.12 [ln (394.1/λ)]2}

with λ in units of nm allows the calculation of σ at any desired wavelength and suggests an absorption maximum
σmax(394 nm) = 1.01 × σ(390 nm)

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