data_[Tb20Ce4Tm12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4237]
_cell_length_b [11.2611]
_cell_length_c [11.5426]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4313]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb5CeTm3]
_chemical_formula_sum '[Tb20 Ce4 Tm12]'
_cell_volume [1293.2548]
_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  0.1369  0.2487  0.7530  1
  Tb  Tb1  4  0.0000  0.2777  0.0000  1
  Tb  Tb2  4  0.0162  0.5000  0.3839  1
  Tb  Tb3  4  0.1775  0.5000  0.9372  1
  Ce  Ce4  4  0.0869  0.0000  0.8027  1
  Tm  Tm5  4  0.1677  0.5000  0.2276  1
  Tm  Tm6  4  0.2070  0.0000  0.3317  1
  Tm  Tm7  2  0.0000  0.0000  0.0000  1
  Tm  Tm8  2  0.0000  0.0000  0.5000  1
]