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 Ca3AsN _cod_database_code 1005008 _database_code_amcsd 0013727 6.7159 6.7110 9.5198 90 90 90 Pbnm atom x y z Ca1 .7171 .2821 .0209 Ca2 .0404 .4942 .25 N1 .5 0 0 As1 0 .0168 .25