THE VIBRATIONAL SPECTRA OF MOLECULAR IONS ISOLATED IN SOLID NEON. II, $O_{4}^{+}$ AND $O_{4}^{-}{^{\ast}}$
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Date
1989
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Ohio State University
Abstract
The $O_{4}^{+}$ and $O_{4}^{-}$ cluster ions have been stabilized in solid neon in sufficient concentration for detection of their infrared absorptions in the $700-3000 cm^{-1}$ spectral region. The absorption of O-4 had previously been observed in systems in which an alkali metal atom was codeposited with an $Ar:O_{2}$ mixture. Its appearance in the present discharge sampling experiments definitively excludes the coordination of a metal atom in an $MO_{4}$ structure. Detailed isotopic substitution experiments support the assignment of four infrared absorptions to a vibrational fundamental and combination bands of $O^{+}_{4}$, for which no spectroscopic data have previously been reported. Analysis of the spectrum provides information regarding the molecular structure of $O_{4}^{+}$.
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$^{\ast}$ Work supported in part by the U. S. Army Research Office under Proposal No. 25664-CH.
Author Institution: National Science Foundation, ; Guest Worker at the National Institute of Standards and Technology; Molecular Spectroscopy Division, National Institute of Standards and Technology
Author Institution: National Science Foundation, ; Guest Worker at the National Institute of Standards and Technology; Molecular Spectroscopy Division, National Institute of Standards and Technology