data_stdin
_audit_creation_method 'critic2-4f1eba8'
_cell_length_a         4.3662000000
_cell_length_b         4.3662000000
_cell_length_c         4.9536000000
_cell_angle_alpha        90.0000
_cell_angle_beta        90.0000
_cell_angle_gamma       120.0000
_cell_volume            81.782205
_space_group_crystal_system trigonal
_space_group_IT_number 152
_space_group_name_H-M_alt 'P3_121'
_space_group_name_Hall 'P 31 2"'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,x-y,-2/3+z'
  '-x+y,-x,-1/3+z'
  'y,x,-z'
  'x-y,-y,-1/3-z'
  '-x,-x+y,-2/3-z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Se     Se     0.22540000000000     0.00000000000000     0.33333333000000
