Van der Waals density functional from multipole dispersion interactions

We present a van der Waals density functional from high order multipole dispersion interactions between pairs of atoms. Calculated C2m≤16 dispersion coefficients for dimers involving alkali, alkaline-earth, and noble gas atoms show mean absolute deviations in the range of 2%–6% from highly accurate...

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Detalles Bibliográficos
Autor: Lima, Neemias Alves de
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2010
País:Brasil
Institución:Universidade Federal do Rio Grande do Norte (UFRN)
Repositorio:Repositório Institucional da UFRN
Idioma:inglés
OAI Identifier:oai:repositorio.ufrn.br:123456789/31010
Acceso en línea:https://repositorio.ufrn.br/handle/123456789/31010
Access Level:acceso abierto
Palabra clave:Van der Waals density
Descripción
Sumario:We present a van der Waals density functional from high order multipole dispersion interactions between pairs of atoms. Calculated C2m≤16 dispersion coefficients for dimers involving alkali, alkaline-earth, and noble gas atoms show mean absolute deviations in the range of 2%–6% from highly accurate calculations. This successful test indicates that this approach can yield efficient algorithms for calculation of van der Waals forces. The author is very grateful to Marilia Junqueira Caldas for helpful discussions. This work was supported by the Brazilian agencies CNPq, INEO/INCT-MCT, and FAPESP