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 ilias.vandevenne. Viewing 1 post (of 1 total) Author Posts October 3, 2022 at 10:25 am #6796 ilias.vandevenneParticipant The BO approximation will only work for have nuclei and will not work for very light nuclei. 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