# DETECTION OF THE NaO RADICAL BY MICROWAVE SPECTROSCOPY

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/17900

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 Title: DETECTION OF THE NaO RADICAL BY MICROWAVE SPECTROSCOPY Creators: Yamada, Chikashi; Fujitake, Masaharu; Hirota, Eizi Issue Date: 1989 Publisher: Ohio State University Abstract: The rotational spectra of the NaO radical in the four lowest vibrational states were observed in millimeter and sub-millimeter wave region. The NaO radical was generated by the reaction of sodium vapor with $N_{2}O$ in a heat pipe cell. Analysis of the observed spectra yielded the rotational and centrifugal distortion constants, $\Lambda$-type doubling constants, spin-orbit interaction constant, and hyperfine interaction constants in the four vibrational states. The NaO radical is clearly shown to have a $^{2}\pi_{i}$ ground electronic state with an anomalously large $\Lambda$-type doubling constant and very small hyperfine interaction constants. The molecular constants derived will be discussed in terms of the ionic character of the bond. Description: Author Institution: Institute for Molecular Science URI: http://hdl.handle.net/1811/17900 Other Identifiers: 1989-RF-6