NU3 BAND OF (15)N2(18)0 AT 4.66 MICRONS.
OHIO STATE UNIV COLUMBUS
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The first observation of a new absorption band at 4.66 microns is reported. Wavelength measurements and analysis of this band have established its identity as the NU3 fundamental vibration-rotation band of the previously unobserved 15N2180 molecule. Arguments are advanced for confirming this identification. This new band was observed as an impurity band during the course of investigations pertaining to the infrared absorption spectrum of isotopically enriched nitric oxide, 15N180. The results obtained in this study prompted the subsequent chemical isolation of the 15N2180 molecule.