data_[Tb12Pm20Dy8]
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
  Dy  1.2200  1.7500  1.1310
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.7386]
_cell_length_b [14.9291]
_cell_length_c [9.9841]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.4998]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb3Pm5Dy2]
_chemical_formula_sum '[Tb12 Pm20 Dy8]'
_cell_volume [1349.9567]
_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  8  0.1541  0.3750  0.0554  1
  Tb  Tb1  4  0.0000  0.2723  0.2500  1
  Pm  Pm2  8  0.2464  0.3717  0.7418  1
  Pm  Pm3  4  0.0000  0.0192  0.7500  1
  Pm  Pm4  4  0.0000  0.2281  0.7500  1
  Pm  Pm5  4  0.0000  0.4781  0.2500  1
  Dy  Dy6  8  0.1517  0.1273  0.5562  1
]