Effective molecular polarizabilities and hyperpolarizabilities in all-trans hexatriene clusters

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Résumé

Molecular aggregation effects on the static and dynamic electronic polarizability and hyperpolarizability are estimated within the time-dependent Hartree-Fock scheme by using a decomposition procedure over the atomic orbitals. For each molecule, the total property value consists in an algebraic sum of two contributions: an intrinsic part coming only from the atomic orbitals belonging to the molecule and a mixed contribution coming from the crossed terms associated with atomic orbitals describing the target molecule and its neighbors. All-trans hexatriene molecular clusters are examined to illustrate this decomposition scheme and to analyze the electronic cooperative behavior of the building units.

langue originaleAnglais
Pages (de - à)197-203
Nombre de pages7
journalChemical Physics Letters
Volume370
Numéro de publication1-2
Les DOIs
Etat de la publicationPublié - 7 mars 2003

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