data_global
_chemical_name_mineral 'Pyrope'
loop_
_publ_author_name
'Meagher E P'
_journal_name_full 'American Mineralogist'
_journal_volume 60
_journal_year 1975
_journal_page_first 218
_journal_page_last 228
_publ_section_title
;
 The crystal structures of pyrope and grossularite at elevated temperatures
 T = 750 deg C
 garnet
;
_database_code_amcsd 449
_chemical_formula_sum 'Mg3 Al2 Si3 O12'
_cell_length_a 11.53
_cell_length_b 11.53
_cell_length_c 11.53
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 90.0
_cell_volume 1532.808
_exptl_crystal_density_diffrn  3.494
_symmetry_space_group_name_H-M 'I a -3 d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'z,1/2-x,1/2+y'
  '1/2+z,-x,+y'
  '-y,1/2+z,1/2-x'
  '1/2-y,+z,-x'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,+z'
  '-z,1/2+x,1/2-y'
  '1/2-z,+x,-y'
  'y,1/2-z,1/2+x'
  '1/2+y,-z,+x'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,-z'
  '3/4+x,1/4-z,3/4-y'
  '1/4+x,3/4-z,1/4-y'
  '3/4-z,1/4+y,3/4+x'
  '1/4-z,3/4+y,1/4+x'
  '3/4+y,1/4-x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4-x,1/4+z,3/4+y'
  '1/4-x,3/4+z,1/4+y'
  '3/4+z,1/4-y,3/4-x'
  '1/4+z,3/4-y,1/4-x'
  '3/4-y,1/4+x,3/4+z'
  '1/4-y,3/4+x,1/4+z'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,3/4+z,3/4+y'
  '1/4-z,1/4-y,1/4-x'
  '3/4-z,3/4-y,3/4-x'
  '1/4+y,1/4+x,1/4+z'
  '3/4+y,3/4+x,3/4+z'
  '1/4-x,1/4-z,1/4-y'
  '3/4-x,3/4-z,3/4-y'
  '1/4+z,1/4+y,1/4+x'
  '3/4+z,3/4+y,3/4+x'
  '1/4-y,1/4-x,1/4-z'
  '3/4-y,3/4-x,3/4-z'
  '1/2+z,x,1/2-y'
  '+z,1/2+x,-y'
  '1/2-y,-z,1/2+x'
  '-y,1/2-z,+x'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-z,-x,1/2+y'
  '-z,1/2-x,+y'
  '1/2+y,z,1/2-x'
  '+y,1/2+z,-x'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '1/2-z,1/2+x,y'
  '-z,+x,1/2+y'
  '1/2+y,1/2-z,-x'
  '+y,-z,1/2-x'
  '1/2-x,1/2+y,z'
  '-x,+y,1/2+z'
  '1/2+z,1/2-x,-y'
  '+z,-x,1/2-y'
  '1/2-y,1/2+z,x'
  '-y,+z,1/2+x'
  '1/2+x,1/2-y,-z'
  '+x,-y,1/2-z'
  '3/4-x,3/4+z,1/4-y'
  '1/4-x,1/4+z,3/4-y'
  '3/4+z,3/4-y,1/4+x'
  '1/4+z,1/4-y,3/4+x'
  '3/4-y,3/4+x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4+x,3/4-z,1/4+y'
  '1/4+x,1/4-z,3/4+y'
  '3/4-z,3/4+y,1/4-x'
  '1/4-z,1/4+y,3/4-x'
  '3/4+y,3/4-x,1/4+z'
  '1/4+y,1/4-x,3/4+z'
  '1/4-x,3/4-z,3/4+y'
  '3/4-x,1/4-z,1/4+y'
  '1/4+z,3/4+y,3/4-x'
  '3/4+z,1/4+y,1/4-x'
  '1/4-y,3/4-x,3/4+z'
  '3/4-y,1/4-x,1/4+z'
  '1/4+x,3/4+z,3/4-y'
  '3/4+x,1/4+z,1/4-y'
  '1/4-z,3/4-y,3/4+x'
  '3/4-z,1/4-y,1/4+x'
  '1/4+y,3/4+x,3/4-z'
  '3/4+y,1/4+x,1/4-z'
  '-z,-x,-y'
  '1/2-z,1/2-x,1/2-y'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  '-y,-z,-x'
  '1/2-y,1/2-z,1/2-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg   0.125  0.0  0.25  2.0
Al   0.0  0.0  0.0  0.01418
Si   0.0  0.25  0.375  2.0
O   0.0332  0.0489  0.6535  2.0
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Mg   0.01307  0.03718  0.03718  0.0  0.0  0.01051
Si   0.00983  0.00983  0.00855  0.0  0.0  0.0
O   0.0194  0.02175  0.01697  0.0002  -0.00397  -0.00101