Re: Nonorthogonality ( No.1 ) 
 Date: 2006/04/22 18:09
 Name: T.Ozaki
 Hi,
Since the basis set is nonorthogonal, the norm is calculated by <Psi_muPsi_nu> = \sum_{ij} c_{mu,i}^* c_{nu,j} Sij, where i and j are indices of the basis function, and Sij is the overlap integral between i and j.
I guess that you may neglect Sij in the calculation.
Regards,
TO

