data_[Y20Zn8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Zn  1.6500  1.3500  0.8800
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.1402]
_cell_length_b [8.1402]
_cell_length_c [13.0241]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Y5Zn2Pb]
_chemical_formula_sum '[Y20 Zn8 Pb4]'
_cell_volume [863.0061]
_cell_formula_units_Z [4]
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  16  0.1545  0.3455  0.3558  1
  Y  Y1  4  0.0000  0.0000  0.0000  1
  Zn  Zn2  8  0.1366  0.3634  0.0000  1
  Pb  Pb3  4  0.0000  0.0000  0.2500  1
]