data_[La20Tb4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.0886]
_cell_length_b [11.5381]
_cell_length_c [16.2199]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [La5TbTm2]
_chemical_formula_sum '[La20 Tb4 Tm8]'
_cell_volume [1139.4704]
_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
[
  La  La0  8  0.0000  0.0610  0.8949  1
  La  La1  8  0.0000  0.0903  0.3042  1
  Tb  Tb2  4  0.0000  0.2500  0.0895  1
  La  La3  4  0.0000  0.2500  0.5539  1
  Tm  Tm4  4  0.0000  0.0000  0.5000  1
  Tm  Tm5  4  0.2500  0.2500  0.7500  1
]