# EXPERIMENTAL AND CALCULATED VIBRATION-ROTATION ENERGY LEVELS OF $H_{2}{^{16}}O$

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 dc.creator Flaud, J.- M. en_US dc.creator Camy-Peyret, C. en_US dc.date.accessioned 2006-06-15T17:00:58Z dc.date.available 2006-06-15T17:00:58Z dc.date.issued 1973 en_US dc.identifier 1973-B-04 en_US dc.identifier.uri http://hdl.handle.net/1811/15896 dc.description Author Institution: Laboratoire de Physique, Mol\'eculaire et d'Optique Atmospherique Universit\'e de en_US dc.description.abstract High resolution spectra, recorded either on Fourier transform or classical grating spectrometers, allows precise determination of vibration-rotation energy levels of ${H_{2}}{^{16}}O$. Rotational levels of the (000), (020), (100), (001) and (030) states have been obtained with a good accuracy. The task of fitting these experimental levels with a theoretical model is difficult. We report a fit of the ground state rotational levels with Watson ‘s Hamiltonian (141 levels up to J = 15, 21 constants, standard deviation: $2.10^{-3}$ $cm^{-1})$. We have attempted to perform the calculation of the Coriolis interaction between (100) and (001) treating (020) alone. From this, it appears that it is necessary to treat the three interacting states simultaneously. The first treatment has however the advantage of providing a good set of initial parameters for the iterative refinement used to obtain the final parameters of the three interacting states. en_US dc.format.extent 185584 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title EXPERIMENTAL AND CALCULATED VIBRATION-ROTATION ENERGY LEVELS OF $H_{2}{^{16}}O$ en_US dc.type article en_US