data_[Tb12Sm8Tm20]
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 [10.5608]
_cell_length_b [15.7195]
_cell_length_c [9.3740]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.0885]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb3Sm2Tm5]
_chemical_formula_sum '[Tb12 Sm8 Tm20]'
_cell_volume [1288.7891]
_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  0.1561  0.1213  0.5493  1
  Tb  Tb1  4  0.0000  0.2285  0.7500  1
  Sm  Sm2  8  0.1433  0.3753  0.0480  1
  Tm  Tm3  8  0.2356  0.1176  0.2258  1
  Tm  Tm4  4  0.0000  0.0269  0.7500  1
  Tm  Tm5  4  0.0000  0.2689  0.2500  1
  Tm  Tm6  4  0.0000  0.4771  0.2500  1
]