data_[Tb8Er6Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.1760]
_cell_length_b [7.0282]
_cell_length_c [6.1706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tb4Er3Tl]
_chemical_formula_sum '[Tb8 Er6 Tl2]'
_cell_volume [484.6821]
_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  4  0.2359  0.1283  0.9914  1.0
  Tb  Tb1  2  0.0000  0.1312  0.6304  1.0
  Tb  Tb2  2  0.0000  0.8707  0.1679  1.0
  Er  Er3  4  0.2446  0.6168  0.9714  1.0
  Er  Er4  2  0.0000  0.6313  0.6412  1.0
  Tl  Tl5  2  0.0000  0.3845  0.1501  1.0
]