Valency and Bonding: A Natural Bond Orbital Donor-Acceptor Perspective - Frank Weinhold, Clark R. Landis - Google Books

https://books.google.de/books?id=6153Kt2ikggC&pg=PA427#v=onepage

1 Introduction and theoretical background 1 1.1 The Schr6dinger equation and models of chemistry 1 1.2 Hydrogen-atom orbitals 8 1.3 Many-electron systems: Hartree-Fock and correlated treatments 13 1.4 Perturbation theory for orbitals in the Hartree-Fock…