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The millimeter-wave spectrum of the MgOH radical (X 2Σ+)

✍ Scribed by W.L. Barclay Jr.; M.A. Anderson; L.M. Ziurys

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 428 KB
Volume: 196
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)85959-e

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✦ Synopsis

The pure rotational spectrum of the ground electronic state (X 2X+ ) of the MgOH radical has been observed using millimeter/ sub-millimeter direct absorption spectroscopy, as well as that of MgOD, and the less abundant magnesium isotopically-substituted species 25MgOH and 26MgOH. The free radicals were created in a Broida-type oven by the reaction of metal vapor with hydrogen peroxide. The spin-rotation splitting was readily observed in these data; however, the hypertine structure was only resolved for 25MgOH. The rotational and spin-rotation constants of the radicals have been determined from a non-linear least-squares fit using a 2Z Hamiltonian. The 2~Mg hyperfine constants are also estimated.

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