data_[Tb12Sm20Tm4]
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 [15.2101]
_cell_length_b [11.6296]
_cell_length_c [9.8542]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.7015]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Sm5Tm]
_chemical_formula_sum '[Tb12 Sm20 Tm4]'
_cell_volume [1341.1013]
_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  0.0079  0.5000  0.8217  1
  Tb  Tb1  4  0.0156  0.0000  0.3533  1
  Tb  Tb2  2  0.0000  0.0000  0.0000  1
  Tb  Tb3  2  0.0000  0.5000  0.5000  1
  Sm  Sm4  8  0.1493  0.2527  0.7407  1
  Sm  Sm5  4  0.0000  0.2539  0.0000  1
  Sm  Sm6  4  0.2246  0.0000  0.0449  1
  Sm  Sm7  4  0.2272  0.5000  0.2356  1
  Tm  Tm8  4  0.2490  0.5000  0.5958  1
]