A 1:1 complex between a hydroxyl radical and ozone.
A hydrogen bonded complex between a hydroxyl radical and ozone has been found in argon matrices at 9 K. The shift of the OH stretch (-12.6 cm-1) indicates that this complex is somewhat weaker than the OH-CO complex (-21.8 cm-1, D0<or=430 cm-1, 1.2 kcal/mol).
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