data_[Tb10Sm8Tm4]
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/m]
_cell_length_a [19.1451]
_cell_length_b [5.6466]
_cell_length_c [6.5961]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2265]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb5(Sm2Tm)2]
_chemical_formula_sum '[Tb10 Sm8 Tm4]'
_cell_volume [712.9031]
_cell_formula_units_Z [2]
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  0.1299  0.0000  0.8940  1
  Tb  Tb1  4  0.2079  0.0000  0.4022  1
  Tb  Tb2  2  0.0000  0.5000  0.0000  1
  Sm  Sm3  4  0.0199  0.0000  0.2881  1
  Sm  Sm4  4  0.1945  0.5000  0.0708  1
  Tm  Tm5  4  0.0971  0.5000  0.5521  1
]