McWeeny62 R. McWeeny, “Perturbation Theory for Fock-Dirac Density Matrix,” Phys. Rev., 126 (1962) 1028. DOI: 10.1103/PhysRev.126.1028 Related Articles: CPHFThis keyword selects the algorithm used for solving the CPHF equations.NMRThis properties keyword predicts NMR shielding tensors and magnetic susceptibilities using the Hartree-Fock method, all DFT methods and the MP2 method.References