Home › Forums › Hyperfine course › electric quadrupole interaction › case studies / symmetry – task 1 › Rotation axes This topic has 0 replies, 1 voice, and was last updated 1 year, 6 months ago by Ferdinando Muraca. Viewing 1 post (of 1 total) Author Posts March 20, 2023 at 10:26 pm #4429 Ferdinando MuracaParticipant The rotation axis of Fe-IIb atoms is a 4 fold rotation axis => z-axis of PAS and eta = 0 (Theorem 1). Two 2-fold rotation axes of Fe-IIa atoms => the z-axis of PAS (Theorem 1). 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