Tausonite 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: synchrotron XRD data _database_code_amcsd 0008445 5.49755 5.49755 7.78810 90 90 90 I4/mcm atom x y z occ Biso SrA 0 .5 .25 .5 .28 NaA 0 .5 .25 .25 .28 LaA 0 .5 .25 .25 .28 Ti 0 0 0 .22 O1 0 0 .25 .26 O2 .2248 .7248 0 .26