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arxiv: 1809.06915 · v1 · pith:5HSJYXR3new · submitted 2018-09-18 · ⚛️ physics.chem-ph · astro-ph.EP

Hyperfine-resolved rotation-vibration line list of ammonia (NH₃)

classification ⚛️ physics.chem-ph astro-ph.EP
keywords linelistammoniahyperfine-resolvedrotation-vibrationaccurateagreementangular
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A comprehensive, hyperfine-resolved rotation-vibration line list for the ammonia molecule ($^{14}$NH$_3$) is presented. The line list, which considers hyperfine nuclear quadrupole coupling effects, has been computed using robust, first principles methodologies based on a highly accurate empirically refined potential energy surface. Transitions between levels with energies below $8000$~cm$^{-1}$ and total angular momentum $F\leq14$ are considered. The line list shows excellent agreement with a range of experimental data and will significantly assist future high-resolution measurements of NH$_3$, both astronomically and in the laboratory.

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