data_[Tb30Pr2Er8]
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 [Cmmm]
_cell_length_a [7.1274]
_cell_length_b [10.0333]
_cell_length_c [17.7738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb15PrEr4]
_chemical_formula_sum '[Tb30 Pr2 Er8]'
_cell_volume [1271.0190]
_cell_formula_units_Z [2]
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  0.2500  0.2500  0.1017  1
  Tb  Tb1  8  0.2500  0.2500  0.3011  1
  Tb  Tb2  4  0.0000  0.5000  0.2015  1
  Tb  Tb3  4  0.0000  0.5000  0.4005  1
  Tb  Tb4  4  0.2500  0.2500  0.5000  1
  Tb  Tb5  2  0.0000  0.5000  0.0000  1
  Pr  Pr6  2  0.0000  0.0000  0.0000  1
  Er  Er7  4  0.0000  0.0000  0.2015  1
  Er  Er8  4  0.0000  0.0000  0.4004  1
]