data_[Tb16Pr12Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.7035]
_cell_length_b [11.7648]
_cell_length_c [6.0861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.8225]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb4Pr3Er2]
_chemical_formula_sum '[Tb16 Pr12 Er8]'
_cell_volume [1184.8770]
_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  0.0502  0.1316  0.5211  1
  Tb  Tb1  8  0.2167  0.3724  0.3569  1
  Pr  Pr2  8  0.1667  0.1103  0.0841  1
  Pr  Pr3  4  0.0000  0.3931  0.2500  1
  Er  Er4  8  0.1149  0.3665  0.8125  1
]