data_[La15Y1Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Y  1.2200  1.8000  1.0400
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.0775]
_cell_length_b [5.0775]
_cell_length_c [25.8164]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [La15YTl4]
_chemical_formula_sum '[La15 Y1 Tl4]'
_cell_volume [665.5853]
_cell_formula_units_Z [1]
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  4  0.0000  0.5000  0.1043  1
  La  La1  4  0.0000  0.5000  0.3027  1
  La  La2  2  0.0000  0.5000  0.5000  1
  La  La3  2  0.5000  0.5000  0.2038  1
  La  La4  2  0.5000  0.5000  0.4016  1
  La  La5  1  0.5000  0.5000  0.0000  1
  Y  Y6  1  0.0000  0.0000  0.0000  1
  Tl  Tl7  2  0.0000  0.0000  0.2049  1
  Tl  Tl8  2  0.0000  0.0000  0.4014  1
]