Abstract
The Nitrous Oxide Spectroscopic Line list (NOSL-296) presented in this work is an empirical line list for the main isotopologue of nitrous oxide, 14N216O, mainly dedicated to atmospheric applications. It contains line positions and intensities at a reference temperature of 296 K calculated using the effective operator approach. The intensity cutoff is 10−30 cm/molecule. Almost 900,000 lines covering the 0.02–13,378 cm−1 spectral range are included in NOSL-296. The line list is based on the fitted non-polyad models of the effective Hamiltonian and effective dipole moment operator describing globally an exhaustive review of experimental data collected from the literature (more than 51,500 line intensities). The non-polyad model of effective Hamiltonian has been elaborated in [Tashkun SA, J Quant Spectrosc Radiat Transfer 2019;231:88–101, doi:10.1016/j.jqsrt.2019.04.023] while the non-polyad model of the effective dipole moment operator is developed in the present work. The fitted models are able to reproduce measured positions and intensities with accuracies compatible with measurement uncertainties. Comparison of NOSL-296 with HITRAN2020 and Ames-296 line lists are discussed. The NOSL-296 line list is provided as a Supplementary Material and freely accessible at https://ftp.iao.ru/pub/LTS/NOSL-296/.
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