data_[Tb12Pm4Pb12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.8014]
_cell_length_b [13.4375]
_cell_length_c [7.9213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.1477]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3PmPb3]
_chemical_formula_sum '[Tb12 Pm4 Pb12]'
_cell_volume [936.1812]
_cell_formula_units_Z [4]
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
[
  Tb  Tb0  4  0.0000  0.1472  0.5000  1
  Tb  Tb1  4  0.0000  0.2179  0.0000  1
  Tb  Tb2  4  0.1376  0.5000  0.6280  1
  Pm  Pm3  4  0.2005  0.5000  0.0884  1
  Pb  Pb4  8  0.1582  0.3213  0.3201  1
  Pb  Pb5  4  0.0510  0.0000  0.2012  1
]