data_[Dy4Y15Tl1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  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 [4.9884]
_cell_length_b [4.9884]
_cell_length_c [25.3202]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Dy4Y15Tl]
_chemical_formula_sum '[Dy4 Y15 Tl1]'
_cell_volume [630.0643]
_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
[
  Y  Y0  4  0.0000  0.5000  0.0971  1
  Y  Y1  4  0.0000  0.5000  0.2985  1
  Dy  Dy2  2  0.0000  0.0000  0.1984  1
  Dy  Dy3  2  0.0000  0.0000  0.3991  1
  Y  Y4  2  0.0000  0.5000  0.5000  1
  Y  Y5  2  0.5000  0.5000  0.1956  1
  Y  Y6  2  0.5000  0.5000  0.3988  1
  Y  Y7  1  0.5000  0.5000  0.0000  1
  Tl  Tl8  1  0.0000  0.0000  0.0000  1
]