PAS in Fe4N homepage › Forums › Fe4N and PAS › PAS in Fe4N This topic has 0 replies, 1 voice, and was last updated 5 years, 8 months ago by AndreasCeulemans. Viewing 1 post (of 1 total) Author Posts March 18, 2018 at 11:29 am #1136 Score: 0 AndreasCeulemansParticipant The Fe-1 has 1 four-fold and 2 two-fold symmetry axes which constitute its PAS. According to theorem 1 it has eta=0 The Fe-2 has 3 four-fold symmetry axes which form its PAS. According to theorem 2 the EFG tensor is 0 (and also eta=0). 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