Abstract

Time-dependent coupled Hartree-Fock calculations have been performed in the large bases molecules NO + , CO. CO 2 and C 2 H 2 . Some first- and second-order properties are presented, in particular the isotropic dispersion interaction coefficients C 6 000 , C 8 000 and C 10 000 for all possible van der Waals dimers consisting of these monometers. These coefficients, and also the corresponding long-range anisotropic interaction coefficients, can be calculated easily for any of these dimers using the effective TDCHF multipole spectra presented in this paper. Formulas to this end are given.

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