data_[La4Tb2Y2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  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 [5.1198]
_cell_length_b [10.3357]
_cell_length_c [6.9707]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [La2TbYTl2]
_chemical_formula_sum '[La4 Tb2 Y2 Tl4]'
_cell_volume [368.8646]
_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
[
  La  La0  2  0.0000  0.1785  0.8107  1
  La  La1  2  0.5000  0.0604  0.5926  1
  Tb  Tb2  2  0.5000  0.3074  0.1694  1
  Y  Y3  2  0.0000  0.4579  0.4563  1
  Tl  Tl4  2  0.0000  0.1486  0.2993  1
  Tl  Tl5  2  0.5000  0.3888  0.7174  1
]