data_[Tb12Pr16Sm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.6037]
_cell_length_b [11.8772]
_cell_length_c [6.2665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.3468]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb3(Pr2Sm)2]
_chemical_formula_sum '[Tb12 Pr16 Sm8]'
_cell_volume [1228.2076]
_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  0.1674  0.1013  0.0792  1
  Tb  Tb1  4  0.0000  0.4002  0.2500  1
  Pr  Pr2  8  0.0479  0.1402  0.5139  1
  Pr  Pr3  8  0.2136  0.3598  0.3474  1
  Sm  Sm4  8  0.1178  0.3620  0.8183  1
]