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The reaction of O3 and H2O to form HOOOOH. The top pathway (TS8 at 28.5) is uncatalyzed. The lowest pathway is H2O catalyzed (TS9 at 11.6), whereas the middle pathway (TS7 at 14.4) is H2O2 catalyzed. This latter reaction (7) is part of Pathways I and II.
