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35.5 Density fitting
In order to be able to study interactions between extended
monomers one can use density fitting to approximate the
integrals in SAPT [7]. For this one may use the input:
{sapt;intermol,ca=$ca,cb=$cb,fitlevel=3
dfit,basis_coul=jkfit,basis_exch=jkfit,basis_mp2=mp2fit,cfit_scf=3}
with in the basis section defined jkfit
and mp2fit
fitting
basis sets (see section 11).
molpro@molpro.net
Oct 10, 2007