As Ca3 N Chern M, DiSalvo F, Parise J, Goldstone J Journal of Solid State Chemistry 96 (1992) 426-435 The structural distorsion of the anti-perovskite nitride Ca3 As N _cod_database_code 1005054 _database_code_amcsd 0013729 6.7301 6.7246 9.5402 90 90 90 Pbnm atom x y z Ca1 .7211 .2821 .0174 Ca2 .0310 .4947 .25 N1 .5 0 0 As1 0 .0108 .25