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Título: | Calculation of rovibrational spectra of water by means of particles-on-concentric-spheres models. II. Excited states of stretching vibrations |
Autor: | Natanson, Grigory A.; Ezra, Gregory S.; Delgado Barrio, Gerardo CSIC ORCID ; Stephen Berry, R. | Fecha de publicación: | feb-1986 | Editor: | American Institute of Physics | Citación: | Journal of Chemical Physics 84: 2035-2044 (1985) | Resumen: | It is shown that adiabatic separation of high-frequency stretching modes from bending and overall rotational motions in triatomic molecules XY 2 leads naturally to the particles-on-a-sphere (POS) model treated previously [J. Chem. Phys. 81, 3400 (1984)]. Solution of the rovibrational problem using a further approximation in which stretching motions are treated as uncoupled modes is then investigated in detail. It is shown that, for states with a significantly larger number of quanta in one bond than the other, the POS model in this approximation yields energy levels that are essentially identical with those for the particles-on-concentric-spheres (POCS) model, where the latter is obtained using a different decoupling of the basic set of differential equations. © 1986 American Institute of Physics. | Descripción: | 10 pags., 10 tabs. | Versión del editor: | https://doi.org/10.1063/1.450411 | URI: | http://hdl.handle.net/10261/170012 | DOI: | 10.1063/1.450411 | Identificadores: | doi: 10.1063/1.450411 issn: 0021-9606 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Calculation of rovibrational.pdf | 763,95 kB | Adobe PDF | Visualizar/Abrir |
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