data_[Hf8Pb2O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.8336]
_cell_length_b [11.8186]
_cell_length_c [5.3244]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.9300]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Hf4PbO9]
_chemical_formula_sum '[Hf8 Pb2 O18]'
_cell_volume [431.4355]
_cell_formula_units_Z [2]
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
[
  Hf  Hf0  4  0.2499  0.2950  0.3422  1
  Hf  Hf1  2  0.0000  0.5336  0.5000  1
  Hf  Hf2  2  0.0000  0.6856  0.0000  1
  Pb  Pb3  2  0.0000  0.9997  0.0000  1
  O  O4  4  0.0590  0.8252  0.7942  1
  O  O5  4  0.1702  0.5856  0.9118  1
  O  O6  4  0.1954  0.4197  0.5300  1
  O  O7  4  0.1965  0.6543  0.4327  1
  O  O8  2  0.0000  0.2683  0.0000  1
]