High precision spectrum of N2O at 4.5 μm and determination of molecular constants for the ν3 and the (ν2 + ν3 − ν2) bands |
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Authors: | Alain Valentin Marie-Françoise Le Moal Philippe Cardinet Jean-Pierre Boissy |
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Affiliation: | Laboratoire de Spectronomie Moléculaire, C.N.R.S., Université Pierre et Marie Curie, 4, Place Jussieu, 75005 Paris France |
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Abstract: | A high precision wavenumber calibration has been achieved for the spectrum of N2O at 4.5 μm. The values of the wavenumbers are reported for the (00°1-00°0) and for the (0111-0110) transitions. A new set of molecular constants is given for the upper and lower levels of these two transitions. In particular, the value of the H constant for the ground state (?2.02 ± 0.4) × 10?13 cm?1 determined in this work is significantly different from previous results. |
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