data_stdin
_audit_creation_method 'critic2-4f1eba8'
_cell_length_a         5.5760000000
_cell_length_b         5.5760000000
_cell_length_c         8.8460000000
_cell_angle_alpha        90.0000
_cell_angle_beta        90.0000
_cell_angle_gamma        90.0000
_cell_volume           275.037850
_space_group_crystal_system tetragonal
_space_group_IT_number 116
_space_group_name_H-M_alt 'P-4c2'
_space_group_name_Hall 'P -4 -2c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'y,-x,-z'
  '-x,-y,z'
  '-y,x,-z'
  'x,-y,-1/2+z'
  'y,x,-1/2-z'
  '-x,y,-1/2+z'
  '-y,-x,-1/2-z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Os     Os     0.00000000000000     0.50000000000000     0.37150000000000
Os     Os     0.00000000000000     0.00000000000000     0.00000000000000
Si     Si     0.20690000000000     0.35590000000000     0.09030000000000
Si     Si     0.16850000000000     0.16850000000000     0.75000000000000
Os     Os     0.50000000000000     0.50000000000000     0.25000000000000
