data_RePb2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.87
_cell_length_b   9.87
_cell_length_c   9.87
_cell_angle_alpha   19.28
_cell_angle_beta   19.28
_cell_angle_gamma   19.28
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RePb2Se
_chemical_formula_sum   'Re1 Pb2 Se1'
_cell_volume   91.62
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Re  Re2  1  0.0  0.0  0.53  1.0
  Pb  Pb0  1  0.0  0.0  0.01  1.0
  Pb  Pb1  1  0.0  0.0  0.05  1.0
  Se  Se3  1  0.0  0.0  0.0  1.0

data_RePb2Se
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.72
_cell_length_b   3.31
_cell_length_c   9.87
_cell_angle_alpha   90.0
_cell_angle_beta   101.15
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   RePb2Se
_chemical_formula_sum   'Re2 Pb4 Se2'
_cell_volume   183.24
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Re  Re0  2  0.0  0.0  0.47  1.0
  Pb  Pb1  2  0.0  0.0  0.95  1.0
  Pb  Pb2  2  0.0  0.0  0.99  1.0
  Se  Se3  2  0.0  0.0  0.0  1.0

Re Pb Pb Se