When does the non-variational nature of second-order Møller-Plesset energies manifest itself? All-electron correlation energies for open-shell atoms from K to Br

Accurate all-electron correlation energies for the closed-shell atoms from Ar to Rn and their relationship to the corresponding MP2 correlation energies

(2011) Shane P. McCarthy et al.   JOURNAL OF CHEMICAL PHYSICS

Simple models for electron correlation energies in atoms

(2010) Shane P. McCarthy et al.   CHEMICAL PHYSICS LETTERS

Spin-component-scaled Møller–Plesset (SCS-MP) perturbation theory: A generalization of the MP approach with improved properties

(2010) Reinhold F. Fink   JOURNAL OF CHEMICAL PHYSICS

Toward improved density functionals for the correlation energy

(2009) Ajit J. Thakkar et al.   JOURNAL OF CHEMICAL PHYSICS

Explicitly correlated energies for neutral atoms and cations with 37⩽Z⩽54

(2008) E. Buendía et al.   CHEMICAL PHYSICS LETTERS

New benchmarks for the second-order correlation energies of Ne and Ar through the finite element MP2 method

(2008) Jesús R. Flores   INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY

A new parameter-free correlation functional based on an average atomic reduced density gradient analysis

(2008) Vincent Tognetti et al.   JOURNAL OF CHEMICAL PHYSICS

Quantum Monte Carlo for 3d Transition-Metal Atoms†

(2008) A. Sarsa et al.   JOURNAL OF PHYSICAL CHEMISTRY A