data_[Al8Si4Pb4O24]
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 [10.3541]
_cell_length_b [11.0380]
_cell_length_c [5.9302]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.7363]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Al2SiPbO6]
_chemical_formula_sum '[Al8 Si4 Pb4 O24]'
_cell_volume [599.8807]
_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  8  0.2447  0.4241  0.3173  1.0
  Si  Si1  4  0.0000  0.2137  0.2500  1.0
  Pb  Pb2  4  0.0000  0.3260  0.7500  1.0
  O  O3  8  0.0775  0.1371  0.5159  1.0
  O  O4  8  0.1220  0.2989  0.2243  1.0
  O  O5  8  0.2020  0.4767  0.0064  1.0
]