# THE PURE ROTATIONAL SPECTRUM OF NITRIC OXIDE

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 Title: THE PURE ROTATIONAL SPECTRUM OF NITRIC OXIDE Creators: Hall, Richard T.; Dowling, Jerome M. Issue Date: 1966 Publisher: Ohio State University Abstract: The pure rotational spectrum of nitric oxide was measured under high resolution $(\sim0.06 cm^{-1})$ using a lamellar grating $interferometer^{1}$ over the frequency range $18-94 cm^{-1}$. The values of the effective rotational constants, $B_{0}, D_{0}$, and $H_{0}$, were determined by least squares analyses; the values of the effective rotational constants. $B_{0}$, are in close agreement with microwave $values.^{2,3}$ The constants reproduce the observed spectrum to an average deviation of approximately $\pm 0.0012 cm^{-1}$. The unperturbed ground state constants are also given. The spin-orbit coupling constant $A_{0}$, is discussed. Description: $^{1}$ R. T. Hall, D. Vrabec, J. M. Dowling, Applied Optics in press. $^{2}$ J. J. Gallagher and C. M. Johnson, Phys. Rev. 103, 1727 (1956). $^{3}$ P. G. Favero, A. M. Mirri, and W. Gordy, Phys. Rev. 114, 1534 (1959). Author Institution: Space Physics Laboratory, The Aerospace Corporation URI: http://hdl.handle.net/1811/14975 Other Identifiers: 1966-C-1