Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Formation of a Hydrogen Atom from the Photodissociation of Hydrogen Peroxide at 193 nm
Yousuke InagakiYutaka MatsumiMasahiro Kawasaki
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1993 Volume 66 Issue 11 Pages 3166-3170


Doppler profiles of H atoms from the photodissociation of H2O2 at 193 nm were measured by a laser-induced fluorescence method at 121.6 nm. On the average, 149 kJ mol−1 of energy is released as translational energy, which corresponds to about to 60% of the available energy. Doppler width anisotropy data show that the anisotropy parameter, β, for the photofragment angular distribution is −0.26 ± 0.11. This result implies that the H2O2 Ã1A state is responsible for H atom formation.

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© 1993 The Chemical Society of Japan
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