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Conferences > LACA > 1987 > TuB > TuB5

Detection of Gas Phase Methoxy Radicals by Resonance Enhanced Multiphoton Ionization Spectroscopy

George R. Long, Russell D. Johnson, and Jeffrey W. Hudgens

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Abstract

Resonance enhanced multiphoton ionization (REMPI) spectra of CH3O and CD3O between 350-270 nm are reported. The Methoxy radicals were generated by the reaction of F atoms with CH3OH, CH3OD, and CD3OD in a flow reactor. Two band systems are observed in this region. The most prominent feature of the first resides at 320.6 nm in CH3O and at 319.3 nm in CD3O. The second band system consists of two intense transitions at 295.2 nm and 291.5 nm for CH3O and 294.5 nm and 290.7 nm for CD3O. Mass spectra of both isotopic analogues showed that the methoxy molecular ions do not fragment.

© 1987 Optical Society of America

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