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 = 673 K _database_code_amcsd 0007755 5.4086 5.4553 7.6782 90 90 90 Pbnm atom x y z Biso Ca .9946 .0253 .25 1.4 Ti 0 .5 0 .1 O1 .0625 .4897 .25 -1.8 O2 .7185 .2849 .0306 1.6