![Equation-of-motion coupled-cluster methods for ionized states with an approximate treatment of triple excitations]()
Equation-of-motion coupled-cluster methods for ionized states with an approximate treatment of triple excitationsBomble, Yannick J.; Saeh, Jamal C.; Stanton, John F.; Szalay, Péter G.; Kállay, Mihály; Gauss, Jürgen · The Journal of Chemical Physics · 2005