Perovskite Liu X, Liebermann R C Physics and Chemistry of Minerals 20 (1993) 171-175 X-ray powder diffraction study of CaTiO3 perovskite at high temperatures Sample: T = 1273 K _database_code_amcsd 0007757 5.4642 5.4804 7.7452 90 90 90 Pbnm atom x y z Biso Ca 1.0000 .0180 .25 3.0 Ti 0 .5 0 1.2 O1 .0538 .4910 .25 -1.2 O2 .7220 .2814 .0300 3.1