# EFFECTS OF FERMI RESONANCE IN THE BANDS OF $^{15}N_{2}^{18}O$.

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 Title: EFFECTS OF FERMI RESONANCE IN THE BANDS OF $^{15}N_{2}^{18}O$. Creators: Mantz, A. W.; Jones, L. H.; Potter, R. M. Issue Date: 1968 Publisher: Ohio State University Abstract: In view of the excellent results obtained for the internuclear distances in nitrous oxide from a study of the $^{15}N_{2}^{18}O$ bands in the near $infrared,^{1}$ further high resolution observational data were obtained both in the near infrared ($2-3 \mu$ region) as well as at the longer wavelengths (8 micron region). In the near infrared the resolving power was such that half value widths of about $0.025- 0.03 cm^{-1}$ were measured on unblended lines. A liquid helium cooled Ge:Hg detector was used at $8 \mu$, and the resolution was slightly better than $0.05 cm^{-1}$. The effects of Fermi resonance in the $^{15}N_{2}^{18}O$ molecule will be discussed employing the observational data for the following completed polyads: $(10^{0}0, 02^{0}0), (11^{1}0,03^{1}0), (10^{0}1, 02^{0}1), (11^{1}1,03^{1}1), (20^{0}1, 12^{0}1, 04^{0}1)$. Description: This research was supported, in part, by the U.S. Atomic Energy Commission (COO-882-18) through a contract with The Ohio State University Research Foundation as a joint project between the Laboratory of Molecular Spectroscopy and Infrared Studies at The Ohio State University Physics Department and the Los Alamos Scientific Laboratory, Los Alamos, New Mexico. Mr. A.W. Mantz has been deputed under the Professional Advancement Program of the U.S. Air Force. $^{1}$J.L. Griggs Jr., K. Narahari Rao, L.H. Jones, and R.M. Potter, J. Mol. Spectry. 25. 34 (1968). Author Institution: Laboratory of Molecular Spectroscopy and Infrared Studies, Department of Physics, The Ohio State University; Los Alamos Scientific Laboratory, University of California URI: http://hdl.handle.net/1811/15534 Other Identifiers: 1968-O-3