data_stdin
_audit_creation_method 'critic2-4f1eba8'
_cell_length_a         5.6983000000
_cell_length_b        11.4380000000
_cell_length_c         8.2566000000
_cell_angle_alpha        90.0000
_cell_angle_beta        90.0000
_cell_angle_gamma        90.0000
_cell_volume           538.141701
_space_group_crystal_system orthorhombic
_space_group_IT_number 74
_space_group_name_H-M_alt 'Imma'
_space_group_name_Hall '-I 2b 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
  '-1/2-x,-y,-1/2+z'
  '-1/2+x,y,-1/2-z'
  'x,-y,-z'
  '-x,y,z'
  '-1/2-x,y,-1/2-z'
  '-1/2+x,-y,-1/2+z'
  '-1/2+x,-1/2+y,-1/2+z'
  '-1/2-x,-1/2-y,-1/2-z'
  '-x,-1/2-y,z'
  'x,-1/2+y,-z'
  '-1/2+x,-1/2-y,-1/2-z'
  '-1/2-x,-1/2+y,-1/2+z'
  '-x,-1/2+y,-z'
  'x,-1/2-y,z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg     Mg     0.00000000000000     0.00000000000000     0.00000000000000
Mg     Mg     0.00000000000000     0.25000000000000     0.97010000000000
Mg     Mg     0.25000000000000     0.12760000000000     0.25000000000000
Si     Si     0.00000000000000     0.11980000000000     0.61680000000000
O      O      0.00000000000000     0.25000000000000     0.21660000000000
O      O      0.00000000000000     0.25000000000000     0.71640000000000
O      O      0.00000000000000     0.99000000000000     0.25580000000000
O      O      0.26150000000000     0.12250000000000     0.99250000000000
