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 / Silicon compounds / SiCl2 / Mevel(2013)_2082-2415K_121.6nm(T dependence)

DATAFILE: SiCl2_Mevel(2013)_2082-2415K_121.6nm(T dependence).txt
NAME: silicon dichloride
FORMULA: SiCl2
AUTHOR(YEAR): Mevel(2013)
T: 2082-2415K
λ: 121.6nm(T dependence)
BIBLIOGRAPHY: P. Mevel, L. Catoire, M. Fikri, and P. Roth, "Measurement of the absorption cross sections of SiCl4, SiCl3, SiCl2 and Cl at H Lyman-α wavelength", Chem. Phys. Lett. 561-562, 31-35 (2013); DOI: 10.1016/j.cplett.2013.01.035
COMMENTS: High temperature pyrolysis of SiCl4-Ar mixtures has been studied behind reflected shock waves

Using time-resolved absorption profiles at 121.6 nm and a detailed reaction model, the absorption cross sections of SiCl4, SiCl3, and SiCl2 have been measured

The temperature dependence of the absorption cross sections of SiCl2 at 2082 to 2415 K can be expressed as

σ = 6.36×10-11 exp(-7.1×10-3 × T) cm2 molecule-1

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