data_[Tb36Dy21Tm3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [18.5233]
_cell_length_b [18.5233]
_cell_length_c [6.6631]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb12Dy7Tm]
_chemical_formula_sum '[Tb36 Dy21 Tm3]'
_cell_volume [1979.9043]
_cell_formula_units_Z [3]
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  18  0.0001  0.2118  0.2847  1
  Tb  Tb1  18  0.0063  0.5354  0.7412  1
  Dy  Dy2  18  0.0075  0.1555  0.7814  1
  Dy  Dy3  3  0.0000  0.0000  0.5000  1
  Tm  Tm4  3  0.0000  0.0000  0.0000  1
]