Millimeter‐wave spectroscopy of vibrationally excited ground state alkaline‐earth hydroxide radicals (X 2Σ+)

Autor:	M. A. Anderson, W. L. Barclay, L. M. Ziurys, D. A. Fletcher
Rok vydání:	1995
Předmět:	Alkaline earth metal Absorption spectroscopy Chemistry Excited state Radical General Physics and Astronomy Ionic bonding Physical and Theoretical Chemistry Atomic physics Spectroscopy Ground state Spectral line
Zdroj:	The Journal of Chemical Physics. 102:4334-4339
ISSN:	1089-7690 0021-9606
DOI:	10.1063/1.469482
Popis:	Pure rotational spectra of the alkaline‐earth monohydroxides have been recorded for vibrationally excited states (0 1 0), (0 2 0), (0 3 0), and (1 0 0) of the ground electronic state (X 2Σ+) using millimeter‐wave absorption spectroscopy. The radicals MgOH, CaOH, SrOH, and BaOH were studied. The data for CaOH, SrOH, and BaOH were analyzed with a linear 2Σ+ model, but with the addition of two terms to account for contamination of the v2=1 2Π and v2=2 2Δ vibronic levels with 2Π and 2Δ electronic states. The data for MgOH, however, did not fit well to this linear model and is additional evidence that this species is quasilinear.
Databáze:	OpenAIRE
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