High resolution spectrum and analysis of the ν2 band of 14N16O2 |
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Authors: | Stephen C. Hurlock K.Narahari Rao Lawrence A. Weller Peter K.L. Yin |
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Affiliation: | Department of Physics, Michigan State University, East Lansing, Michigan, 48823 USA;Department of Physics, The Ohio State University, Columbus, Ohio, 43210 USA |
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Abstract: | The ν2 band of 14N16O2 near 13.3 μm has been measured under high resolution using a vacuum grating spectrograph equipped with a liquid helium cooled Ge:Cu detector. Over 750 transitions were identified. Analysis of the band, combined with previous work at shorter wavelengths, led to modified constants for the ground state, (0, 0, 0), and new values for the constants of the upper state, (0, 1, 0). The new constants reproduced 272 nonzero-weighted transitions with a standard deviation of 0.011 cm?1 and reproduced 346 ground state combination differences with a standard deviation of 0.010 cm?1. The spin-rotation line splittings which were observed were described satisfactorily using existing formulations. |
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