data_[Bi18Sb3O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [10.3346]
_cell_length_b [10.3346]
_cell_length_c [9.5572]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Bi6SbO12]
_chemical_formula_sum '[Bi18 Sb3 O36]'
_cell_volume [883.9828]
_cell_formula_units_Z [3]
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
[
  Bi  Bi0  18  0.0463  0.2492  0.6551  1
  Sb  Sb1  3  0.0000  0.0000  0.0000  1
  O  O2  18  0.0385  0.2125  0.3942  1
  O  O3  18  0.0416  0.1833  0.8865  1
]