data_[Tb8Sm4Tm12]
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 [17.3300]
_cell_length_b [7.0741]
_cell_length_c [6.1090]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2379]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb2SmTm3]
_chemical_formula_sum '[Tb8 Sm4 Tm12]'
_cell_volume [748.9270]
_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  0.1670  0.3751  0.4174  1
  Sm  Sm1  4  0.0000  0.1253  0.2500  1
  Tm  Tm2  8  0.1673  0.1251  0.9165  1
  Tm  Tm3  4  0.0000  0.3756  0.7500  1
]