The A 2Πu-X 2Πg emission spectrum of I2+

S. M. Mason, Richard Tuckett

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The A 2Πu-X 2Πg electronic emission spectrum of I2+ has been recorded at a low rotational temperature in a crossed molecular beam/electron beam apparatus. Six vibrational sequences with five or more members have been assigned to progressions in ν′, giving ω′e = 122±8 cm−1, but a full vibrational analysis has not been possible. It is not known whether this is due to the relatively poor resolution (≈5 cm−1) at which the spectrum has been recorded or because the A 2Πu state is perturbed in one or both spin-orbit components. Existing data on the A state of I2+ are reviewed.
Original languageEnglish
Pages (from-to)575-580
JournalChemical Physics Letters
Issue number5-6
Publication statusPublished - 1 Aug 1989


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