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Título: | Intramolecular basis set superposition errors |
Autor: | Senent, María Luisa CSIC ORCID ; Wilson, S. | Fecha de publicación: | 2001 | Editor: | John Wiley & Sons | Citación: | International Journal of Quantum Chemistry 82: 282-292 (2001) | Resumen: | The effects of intramolecular basis set superposition errors are less well documented than the corresponding intermolecular effects. The intramolecular basis set superposition errors are examined, using the approach of Jensen, for several basis sets developed by Pople and his co-workers, which are widely used in studies of larger molecules. Prototype calculations are reported for the ground state of the water molecule using both the matrix Hartree-Fock method and the many-body perturbation expansion for the correlation energy taken through second order. A similar investigation is carried out for some of the correlation consistent basis sets published by Dunning and his collaborators. Specifically, the following aspects are investigated: (i) the magnitude of the intramolecular basis set superposition error, (ii) the nonadditivity of intramolecular counterpoise corrections when applied in a pairwise fashion, and (iii) the use of multiple >ghost> centers. © 2001 John Wiley & Sons, Inc. | URI: | http://hdl.handle.net/10261/65565 | DOI: | 10.1002/qua.1030 | Identificadores: | doi: 10.1002/qua.1030 issn: 0020-7608 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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