data_[Tb2Pr6Er8]
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 [Pmn2_1]
_cell_length_a [11.5479]
_cell_length_b [7.2876]
_cell_length_c [6.2994]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [TbPr3Er4]
_chemical_formula_sum '[Tb2 Pr6 Er8]'
_cell_volume [530.1432]
_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  2  0.0000  0.3680  0.1455  1.0
  Pr  Pr1  4  0.2497  0.6285  0.9832  1.0
  Pr  Pr2  2  0.0000  0.6290  0.6452  1.0
  Er  Er3  4  0.2485  0.1194  0.9807  1.0
  Er  Er4  2  0.0000  0.1196  0.6490  1.0
  Er  Er5  2  0.0000  0.8806  0.1477  1.0
]