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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 3
BKCSDE 32(3)
March 20, 2011 

Spectroscopic Study of the 1A" – 1A' System of CHBr
Seung Keun Shin *Seung Min Park
Pyrolysis, Carbene, Absorption, Cross section, Spectroscopy
We report fluorescence excitation and emission spectra of the CHBr molecule generated via pyrolysis of CH3Br in a molecular beam experiment. The 193 nm attenuation cross sections were estimated from the reduction of the CHBr signal as a function of the excimer laser fluence. The derived 193 nm absorption cross section for CHBr [(3.24 ± 0.59) × 10–17 cm2] is slightly higher than the absorption cross section previously determined for CHCl [(2.6 ± 0.8) × 10–17 cm2], but the difference is within the estimated uncertainties in the measured cross section.
905 - 908
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