Convergence of multipole expanded intermolecular interaction energies for Gaussian-type-function and Slater-type-function basis sets.
In: Theoretical Chemistry Accounts, Jg. 104 (2000) ; Nr. 6, S. 499-506
Zeitschriftenaufsatz / Fach: Chemie
It is shown that the multipole expansion of each order of the polarization series converges for large enough intermol. distances when finite basis sets of Gaussian or Slater-type functions are used to approx. mol. response properties. Convergence of the multipole expansion for each order of the polarization series does not imply convergence of the polarization series itself. A corresponding convergence condition is extd. from the general perturbation theory in a finite-dimensional space and is applied to the H + H+ problem.
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