Bridgmanite Sugahara M, Yoshiasa A, Komatsu Y, Yamanaka T, Bolfan-Casanova N, Nakastuka A, Sasaki S, Tanaka M American Mineralogist 91 (2006) 533-536 Reinvestigation of the MgSiO3 perovskite structure at high pressure Locality: synthetic Sample: P = 10.0 GPa _database_code_amcsd 0004131 4.7148 4.8741 6.8051 90 90 90 Pbnm atom x y z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg .5153 .5582 .25 .36 .0033 .0041 .0063 .0005 .0000 .0000 Si .5 0 .5 .24 .0019 .0040 .0031 .0002 .0007 -.0001 O1 .1034 .4655 .25 .29 .0035 .0047 .0028 .0017 .0000 .0000 O2 .1945 .2000 .5533 .30 .0047 .0030 .0037 -.0002 -.0002 .0002