Tausonite Yamanaka T, Hirai M, Komatsu Y American Mineralogist 87 (2002) 1183-1189 Structure change of Ca1-xSrxTiO3 perovskite with composition and pressure Sample: Ca.35Sr.65TiO3, x = 0.65 _database_code_amcsd 0002894 5.4801 5.4801 7.7619 90 90 90 I4/mcm atom x y z occ Biso Ca 0 .5 .25 .35 .65 Sr 0 .5 .25 .65 .65 Ti 0 0 0 .66 O1 0 0 .25 1.6 O2 .776 .276 0 1.7