data_[Sb6Pb18O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [10.2479]
_cell_length_b [10.2479]
_cell_length_c [11.3666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sb(PbO2)3]
_chemical_formula_sum '[Sb6 Pb18 O36]'
_cell_volume [1033.7811]
_cell_formula_units_Z [6]
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
[
  Sb  Sb0  3  0.0000  0.0000  0.0000  1.0
  Sb  Sb1  3  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  18  0.0382  0.2641  0.7078  1.0
  O  O3  18  0.0115  0.1645  0.3931  1.0
  O  O4  18  0.0496  0.1872  0.9027  1.0
]