Fast evaluation of scaled opposite spin second-order Møller-Plesset correlation energies using auxiliary basis expansions and exploiting sparsity.

Yousung Jung Yihan Shao Martin Head-Gordon Fast evaluation of scaled opposite spin second-order Møller-Plesset correlation energies using auxiliary basis expansions and exploiting sparsity. 1953-1964 2007 28 Journal of Computational Chemistry 12 http://dx.doi.org/10.1002/jcc.20590 db/journals/jcc/jcc28.html#JungSH07