data_[Tb4Nd2Y2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Y  1.2200  1.8000  1.0400
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.2091]
_cell_length_b [10.0491]
_cell_length_c [6.8562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Tb2NdYTl2]
_chemical_formula_sum '[Tb4 Nd2 Y2 Tl4]'
_cell_volume [358.9026]
_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  0.1816  0.3320  1.0
  Tb  Tb1  2  0.5000  0.0434  0.0492  1.0
  Nd  Nd2  2  0.0000  0.4596  0.9613  1.0
  Y  Y3  2  0.5000  0.3101  0.6837  1.0
  Tl  Tl4  2  0.0000  0.1350  0.7973  1.0
  Tl  Tl5  2  0.5000  0.3617  0.2222  1.0
]