Abstract
Multiphoton spectroscopy of monodeuterated water is employed to determine more than 210 new energy levels of HDO in the 25 000–35 000 cm−1 region. These new empirical energy levels are used to fit a potential energy surface (PES) valid between 20 000 cm−1 and 35 000 cm−1. Using this PES and an accurate lower energy PES as starting points, an energy-switching surface is constructed which is capable of reproducing the whole HDO spectrum from 0 to 35 000 cm−1. This PES is used to calculate a line list for HDO which covers infra red, visible and near ultraviolet transitions.
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More From: Journal of Quantitative Spectroscopy and Radiative Transfer
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