data_Rh3(PbSe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.97
_cell_length_b   5.97
_cell_length_c   5.97
_cell_angle_alpha   58.5
_cell_angle_beta   58.5
_cell_angle_gamma   58.5
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Rh3(PbSe)2
_chemical_formula_sum   'Rh3 Pb2 Se2'
_cell_volume   144.97
_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
  Rh  Rh0  1  0.54  0.84  0.46  1.0
  Rh  Rh1  1  0.0  0.32  0.46  1.0
  Rh  Rh2  1  0.46  0.84  0.46  1.0
  Pb  Pb3  1  0.0  0.0  0.39  1.0
  Pb  Pb4  1  0.0  0.0  0.0  1.0
  Se  Se5  1  0.0  0.0  0.24  1.0
  Se  Se6  1  0.0  0.0  0.53  1.0

data_Rh3(PbSe)2
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.83
_cell_length_b   5.83
_cell_length_c   5.97
_cell_angle_alpha   60.75
_cell_angle_beta   60.75
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Rh3(PbSe)2
_chemical_formula_sum   'Rh3 Pb2 Se2'
_cell_volume   144.97
_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
  Rh  Rh0  1  0.16  0.54  0.85  1.0
  Rh  Rh1  1  0.16  0.54  0.76  1.0
  Rh  Rh2  1  0.68  0.54  0.78  1.0
  Pb  Pb3  1  0.0  0.0  0.0  1.0
  Pb  Pb4  1  0.0  0.61  0.39  1.0
  Se  Se5  1  0.0  0.47  0.53  1.0
  Se  Se6  1  0.0  0.76  0.24  1.0

Rh Rh Rh Pb Pb Se Se
Rh Rh Rh Pb Pb Se Se 0 2 o o o 1 6 o o o 3 5 o o o 3 6 o o o 4 5 o o o 