Loparite Mitchell R H, Chakhmouradian A R, Woodward P M Physics and Chemistry of Minerals 27 (2000) 583-589 Crystal chemistry of perovskite-type compounds in the tausonite-loparite series, (Sr1-2xNaxLax)TiO3 Sample: x = 0.35 _database_code_amcsd 0008453 5.4912 5.4912 7.7839 90 90 90 I4/mcm atom x y z occ SrA 0 .5 .25 .30 NaA 0 .5 .25 .35 LaA 0 .5 .25 .35 Ti 0 0 0 O1 0 0 .25 O2 .226 .726 0