science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: acetylperoxy radical				Other Names: 

Formula: C2H3O3; CH3C(O)O2				CAS-No.: 

Study: photolysis, UV absorption coefficients


Authors: C.M. Roehl, D. Bauer, G.K. Moortgat

Title: Absorption Spectrum and Kinetics of the Acetylperoxy Radical

Journal/Source: J. Phys. Chem., 100 (10), 4038-4047, (1996); DOI: 10.1021/jp9526298


Data: diagram, table

Energy/Wavelength range: 185 - 280 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase: gas

pH:


Comments: The ultraviolet absorption spectrum of acetylperoxy radical was remeasured in the 195-280 nm range. The absorption cross sections 
were calibrated against the ethylperoxy radical, generated in the flash photolysis of Cl2/C2H6/O2 mixtures. The acetylperoxy spectrum is bimodal, 
with a strong maximum at 207 nm, sigma = 6.67 x 10-18 cm2 molecule-1, and a weaker maximum near 240 nm, sigma = 3.21 x 10-18 cm2 molecule-1. 

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