data_[Tb2Pr4Er2Tl4]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1701]
_cell_length_b [10.2279]
_cell_length_c [6.9254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [TbPr2ErTl2]
_chemical_formula_sum '[Tb2 Pr4 Er2 Tl4]'
_cell_volume [366.2102]
_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  0.4579  0.9596  1.0
  Pr  Pr1  2  0.0000  0.1881  0.3299  1.0
  Pr  Pr2  2  0.5000  0.0446  0.0616  1.0
  Er  Er3  2  0.5000  0.3153  0.6767  1.0
  Tl  Tl4  2  0.0000  0.1474  0.7992  1.0
  Tl  Tl5  2  0.5000  0.3786  0.2185  1.0
]