High-resolution infrared spectroscopy of NNO and NNO in the 1200–3500 cm region |
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| Authors: | CY Wang AW Liu VI Perevalov SA Tashkun KF Song SM Hu |
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| Institution: | aHefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China;bLaboratory of Theoretical Spectroscopy, Institute of Atmospheric Optics, SB, Russian Academy of Science, 1, Akademicheckii av., 634055 Tomsk, Russia |
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| Abstract: | We present a continuation of our investigation of the second most abundant isotopic species of nitrous oxide, 14N15N16O and 15N14N16O, in the infrared (IR). Our two previous contributions looked at the 3500–9000 cm−1 region for 14N15N16O and 15N14N16O, respectively, in the 3500–9000 cm−1 region. The use of highly enriched isotopologue samples in this study allowed us to go further into the IR, down to 1200 cm−1. A total of 2 2742 transitions have been assigned based on the effective Hamiltonian model, with 108 of them being reported here for the first time. Rovibrational analyses of 98, 101, 8, 3, 6, 1 and 1 bands for the 14N15N16O, 15N14N16O, 15N15N16O, 14N15N18O, 15N14N18O, 14N15N17O and 15N14N17O isotopologues, respectively, were also performed. |
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| Keywords: | Nitrous oxide Infrared Fourier-transform spectroscopy Line position Spectroscopic parameters |
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