Xifengite Santamaria-Perez D, Nuss J, Haines J, Jansen M, Vegas A Solid State Sciences 6 (2004) 673-678 Iron silicides and their corresponding oxides: a high-pressure study of Fe5Si3 Note: P = 8.8 GPa Locality: synthetic _database_code_amcsd 0019676 6.6904 6.6904 4.667 90 90 120 P6_3/mcm atom x y z Fe1 1/3 2/3 0 Fe2 .2307 0 .25 Si .597 0 .25