data_[Al4Si8Pb4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Si  1.9000  1.1000  0.5400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2557]
_cell_length_b [11.1765]
_cell_length_c [5.3711]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3351]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AlSi2PbO6]
_chemical_formula_sum '[Al4 Si8 Pb4 O24]'
_cell_volume [573.4546]
_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
[
  Al  Al0  4  0.0000  0.2540  0.7500  1
  Si  Si1  8  0.2116  0.4148  0.1670  1
  Pb  Pb2  4  0.0000  0.0698  0.2500  1
  O  O3  8  0.0687  0.3409  0.0398  1
  O  O4  8  0.1455  0.1658  0.7515  1
  O  O5  8  0.2247  0.4804  0.4548  1
]