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

Substance: chlorine oxide dimer				Other Names: 

Formula: ClOOCl						CAS-No.: 10049-04-4

Study: UV absorption spectrum


Authors: D.K. Papanastasiou, V.C. Papadimitriou, D.W. Fahey, J.B. Burkholder

Title: UV Absorption Spectrum of the ClO Dimer (Cl2O2) between 200 and 420 nm

Journal/Source: J. Phys. Chem. A, 113 (49), 13711-13726, (2009); DOI: 10.1021/jp9065345


Data: table, diagram

Energy/Wavelength range: 200 - 420 nm; 420 - 550 nm (extrapolated)

Resolution: 0.5 nm

Temperature: 200 K

Temperature dependence: no

Pressure/Concentration:

Phase: gas

pH:


Comments: In this study, the gas-phase UV absorption spectrum of Cl2O2 was measured using diode array spectroscopy and 
absolute cross sections are reported for the wavelength range 200-420 nm. 
The Cl2O2 UV absorption spectrum peaks at 244.5 nm with a cross section of 7.6 (-0.5/+0.8) × 10-18 cm2 molecule-1 where 
the quoted error limits are 2sigma and include estimated systematic errors.

Author to whom correspondence should be addressed: (e-mail address):