Article révisé par les pairs
Résumé : Using Møller‐Plesset perturbation theory a general expression is derived for the second order correlation corrections to the molecular dipole moment obtained via a Spin Unrestricted Hartree Fock procedure. It is shown that this expression can be considerably simplified in the case of a closed‐shell molecule. The final result is computationally attractive. Copyright © 1978 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim