Infrared Measurements and Calculations on H2O•HO

P.D. Cooper, H.G. Kjaergaard, V.S. Langford, Allan Mckinley, T.I. Quickenden, D.P. Schofield

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88 Citations (Scopus)

Abstract

We have measured the infrared spectrum of H2O•HO in argon matrices at 11.5 ± 0.5 K. We have also calculated the vibrational frequencies and intensities of the H2O•HO complex. As a result of these measurements and calculations, we have assigned a previously unassigned absorption band at 3442.1 cm-1 to the OH stretch in the radical complexed to the water molecule. This absorption originates from a complex that is situated in a different site within the argon matrix to those absorptions already assigned to this vibration at 3452.2 and 3428.0 cm-1. We observe a decrease in intensity of the OH radical stretching vibration of the H2O•HO complex upon isotopic substitution of D for H that agrees well with our calculations.
Original languageEnglish
Pages (from-to)6048-6049
JournalJournal of the American Chemical Society
Volume125
Issue number20
DOIs
Publication statusPublished - 2003

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