data_[Pm6Th24Bi36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Th  1.3000  1.8000  1.0800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [R-3c]
_cell_length_a [12.7728]
_cell_length_b [12.7728]
_cell_length_c [15.6374]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [167]
_chemical_formula_structural [Pm(Th2Bi3)2]
_chemical_formula_sum '[Pm6 Th24 Bi36]'
_cell_volume [2209.3573]
_cell_formula_units_Z [6]
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
[
  Pm  Pm0  6  0.0000  0.0000  0.0000  1
  Th  Th1  18  0.0000  0.3945  0.2500  1
  Th  Th2  6  0.0000  0.0000  0.2500  1
  Bi  Bi3  36  0.0363  0.2158  0.3835  1
]