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, 7 months ago by Yens Elskens. Viewing 1 post (of 1 total) Author Posts March 20, 2023 at 8:28 pm #4395 Yens ElskensParticipant There’s a 4-fold rotation axis going through the Fe-IIb’s. Theorem 1 says that this axis can be chosen as the z-axis in the PAS, with eta=0 There are also two 2-fold rotation axes going through opposite Fe-IIa’s. Both of these can be chosen as z-axis in the PAS 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