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 / Organics (carbonyls) / Halogenated aldehydes / CH3C(O)Br / Khamaganov(2007)_298K_210-304nm

DATAFILE: CH3C(O)Br_Khamaganov(2007)_298K_210-304nm.txt
NAME: acetyl bromide
FORMULA: CH3C(O)Br
AUTHOR(YEAR): Khamaganov(2007)
T: 298K
λ: 210-304nm
BIBLIOGRAPHY: V. Khamaganov, R. Karunanandan, A. Rodriguez, and J.N. Crowley, "Photolysis of CH3C(O)CH3 (248 nm, 266 nm), CH3C(O)C2H5 (248 nm) and CH3C(O)Br (248 nm): pressure dependent quantum yields of CH3", Phys. Chem. Chem. Phys. 9, 4098-4113 (2007); DOI: 10.1039/B701382E
COMMENTS: The relative absorption spectrum was measured between 210 and 305 nm using a Xe lamp as analysis light source and a 0.25-m monochromator coupled to a 1024 pixel linear diode array detector

An absolute cross section at 248 nm was obtained using the 0.5-m monochromator/photomultiplier device (as used for the photolysis experiments) and a standard Beer-Lambert analysis of the dependence of optical density at 248 nm on the pressure of CH3C(O)Br

The Beer-Lambert plot yielded σ = 2.43×10-19 cm2 molecule-1, which was used to place the relative spectrum onto an absolute basis

Absorption cross sections at 2nm-intervals as listed in the "Supporting Information" published along with the online version of the article

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