Abstract
The rotational transitions of the HD17O water isotopologue have been assigned in a high temperature emission spectrum between 320 and 520cm−1 of water vapor enriched by deuterium and 17O. We assigned 169 emission lines to 189 partly overlapping transitions of pure rotational and the ν2–ν2 rotational bands. A new extended set of 390 rotational energy levels for the (000) and (010) vibration states of HD17O up to J=17 and Ka=13 was obtained by combination of the new line transitions with those reported in previous studies. We constructed an effective rotational Hamiltonian based on the generation function approach. For this Hamiltonian the deviation between calculated and measured eigenenergies is in the order of 0.001cm−1. We report a new calculated linelist based on our new energy level list. Our linelist supersedes the IUPAC linelist for the HD17O water isotopologue as it is based on a substantially extended set of accurate transition wavenumbers.
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