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The nuclear-spin-forbidden rovibrational transitions of water from first principles
Andrey Yachmenev, Guang Yang, Emil Zak +2
The water molecule occurs in two nuclear-spin isomers that differ by the value of the total nuclear spin of the hydrogen atoms, i.e., for para-HO and for ortho-H$_2…
Rovibronic spectroscopy of PN from first principles
Mikhail Semenov, Nayla El-Kork, Sergei N. Yurchenko +1
We report an ab initio study on the rovibronic spectroscopy of the closed-shell diatomic molecule phosphorous mononitride, PN. The study considers the nine lowest electronic states…
Electric quadrupole transitions in carbon dioxide
Andrey Yachmenev, Alain Campargue, Sergei N. Yurchenko +2
Recent advances in the high sensitivity spectroscopy have made it possible, in combination with accurate theoretical predictions, to observe for the first time very weak electric q…