data_[Tb4Sm12Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [17.7374]
_cell_length_b [7.2100]
_cell_length_c [6.2360]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.5466]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbSm3Tm2]
_chemical_formula_sum '[Tb4 Sm12 Tm8]'
_cell_volume [775.3126]
_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  0.3767  0.7500  1.0
  Sm  Sm1  8  0.1678  0.1249  0.0274  1.0
  Sm  Sm2  4  0.0000  0.1277  0.2500  1.0
  Tm  Tm3  8  0.1667  0.3757  0.5280  1.0
]