data_[Na2Bi24O40]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I23]
_cell_length_a [10.2836]
_cell_length_b [10.2836]
_cell_length_c [10.2836]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [197]
_chemical_formula_structural [Na(Bi3O5)4]
_chemical_formula_sum '[Na2 Bi24 O40]'
_cell_volume [1087.5295]
_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
[
  Na  Na0  2  0.0000  0.0000  0.0000  1
  Bi  Bi1  24  0.0019  0.3149  0.8262  1
  O  O2  24  0.0055  0.2610  0.3701  1
  O  O3  8  0.1372  0.8628  0.8628  1
  O  O4  8  0.1723  0.1723  0.8277  1
]