data_[Tb2Y2Er4Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  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 [5.1444]
_cell_length_b [9.8543]
_cell_length_c [6.8036]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [TbY(ErTl)2]
_chemical_formula_sum '[Tb2 Y2 Er4 Tl4]'
_cell_volume [344.9051]
_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  0.4594  0.9635  1.0
  Y  Y1  2  0.5000  0.3110  0.6823  1.0
  Er  Er2  2  0.0000  0.1860  0.3340  1.0
  Er  Er3  2  0.5000  0.0417  0.0514  1.0
  Tl  Tl4  2  0.0000  0.1330  0.7981  1.0
  Tl  Tl5  2  0.5000  0.3631  0.2163  1.0
]