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

Substance: hydroperoxyl radical	 			Other names: 	

Formula: HO2						CAS-No.: 3170-83-0

Study: UV absorption spectra, kinetics

                
Authors: T.T. Paukert, H.S. Johnston

Title: Spectra and Kinetics of the Hydroperoxyl Free Radical in the Gas Phase

Journal/Source: J. Chem. Phys., 56, 2824-2838, (1972); http://link.aip.org/link/doi/10.1063/1.1677613


Data: table, diagram

Energy/Wavelength range: 200 - 245 nm

Resolution: 5 nm

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase: gas

pH:


Comments: The absorption cross section of HO2 at 1420 cm-1, the absorption maximum of the 1395 cm-1 band, is 
approximately 5 x 10-20 cm2/molecule. The absorption cross section at 2100 Å is 4.5 x 10-18 cm2/molecule.


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