data_[Ac16Pb12O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  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 [14.9893]
_cell_length_b [10.7792]
_cell_length_c [7.3746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.2746]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ac4Pb3O2]
_chemical_formula_sum '[Ac16 Pb12 O8]'
_cell_volume [1179.1225]
_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
[
  Ac  Ac0  8  0.1268  0.1820  0.4925  1
  Ac  Ac1  8  0.1771  0.4363  0.1018  1
  Pb  Pb2  8  0.1051  0.1394  0.9911  1
  Pb  Pb3  4  0.0000  0.3700  0.7500  1
  O  O4  8  0.2092  0.3755  0.4232  1
]