data_[Tb12Pr20Er4]
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/m]
_cell_length_a [15.3654]
_cell_length_b [11.7470]
_cell_length_c [9.9893]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.7556]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Pr5Er]
_chemical_formula_sum '[Tb12 Pr20 Er4]'
_cell_volume [1386.1408]
_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  0.0060  0.5000  0.8217  1
  Tb  Tb1  4  0.0123  0.0000  0.3486  1
  Tb  Tb2  2  0.0000  0.0000  0.0000  1
  Tb  Tb3  2  0.0000  0.5000  0.5000  1
  Pr  Pr4  8  0.1453  0.2508  0.7433  1
  Pr  Pr5  4  0.0000  0.2536  0.0000  1
  Pr  Pr6  4  0.2296  0.5000  0.2355  1
  Pr  Pr7  4  0.2490  0.0000  0.4115  1
  Er  Er8  4  0.2291  0.0000  0.0519  1
]