Dispersion-free component of non-covalent interaction via mutual polarization of fragment densities.

Comprehensive tests within a diverse set of noncovalently bonded systems are carried out to assess the performance of the recently-developed dispersion-free approach in the framework of density functional theory [Ł. Rajchel, P. Żuchowski, M. Szczęśniak, and G. Chałasiński, Phys. Rev. Lett. 104, 163001 (2010)]. A numerical algorithm which cures the convergence problems of the previous implementation is presented.