data_global
_chemical_name_mineral 'Bridgmanite'
loop_
_publ_author_name
'Sugahara M'
'Yoshiasa A'
'Komatsu Y'
'Yamanaka T'
'Bolfan-Casanova N'
'Nakastuka A'
'Sasaki S'
'Tanaka M'
_journal_name_full 'American Mineralogist'
_journal_volume 91 
_journal_year 2006
_journal_page_first 533
_journal_page_last 536
_publ_section_title
;
 Reinvestigation of the MgSiO3 perovskite structure at high pressure
 Sample: P = 15.0 GPa
;
_database_code_amcsd 0004132
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg Si O3'
_cell_length_a 4.701
_cell_length_b 4.870
_cell_length_c 6.782
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 155.266
_exptl_crystal_density_diffrn      4.295
_symmetry_space_group_name_H-M 'P b n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg   0.51960   0.55900   0.25000   0.00481
Si   0.50000   0.00000   0.50000   0.00342
O1   0.10460   0.46790   0.25000   0.00519
O2   0.19330   0.20030   0.55360   0.00494