Perovskite Yamanaka T, Hirai M, Komatsu Y American Mineralogist 87 (2002) 1183-1189 Structure change of Ca1-xSrxTiO3 perovskite with composition and pressure Sample: Ca.75Sr.25TiO3, x = 0.25 _database_code_amcsd 0002891 5.4440 5.4591 7.7213 90 90 90 Pbnm atom x y z occ Biso Ca .9942 .0090 .25 .75 .88 Sr .9942 .0090 .25 .25 .88 Ti .5 0 0 .28 O1 .035 .483 .25 1.16 O2 .721 .281 .031 2.3