data_stdin
_audit_creation_method 'critic2-4f1eba8'
_cell_length_a         6.7522000000
_cell_length_b         6.7522000000
_cell_length_c         4.7400000000
_cell_angle_alpha        90.0000
_cell_angle_beta        90.0000
_cell_angle_gamma       120.0000
_cell_volume           187.154196
_space_group_crystal_system hexagonal
_space_group_IT_number 193
_space_group_name_H-M_alt 'P6_3/mcm'
_space_group_name_Hall '-P 6c 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
  'x-y,x,-1/2+z'
  '-x+y,-x,-1/2-z'
  '-y,x-y,z'
  'y,-x+y,-z'
  '-x,-y,-1/2+z'
  'x,y,-1/2-z'
  '-x+y,-x,z'
  'x-y,x,-z'
  'y,-x+y,-1/2+z'
  '-y,x-y,-1/2-z'
  '-y,-x,-z'
  'y,x,z'
  '-x,-x+y,-1/2-z'
  'x,x-y,-1/2+z'
  '-x+y,y,-z'
  'x-y,-y,z'
  'y,x,-1/2-z'
  '-y,-x,-1/2+z'
  'x,x-y,-z'
  '-x,-x+y,z'
  'x-y,-y,-1/2-z'
  '-x+y,y,-1/2+z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe     Fe     0.33333333000000     0.66666667000000     0.00000000000000
Fe     Fe     0.23700000000000     0.00000000000000     0.25000000000000
Si     Si     0.60500000000000     0.00000000000000     0.25000000000000
