Home › Forums › density functional theory › the Born-Oppenheimer approximation › BO approximation This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by Luka De Bolle. Viewing 1 post (of 1 total) Author Posts October 3, 2022 at 3:03 pm #6812 Luka De BolleParticipant The BO approximation is not valid in case the motion of nuclei is important Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In