data_[Na12Nd9Bi3O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nd  1.1400  1.8500  1.2765
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.1536]
_cell_length_b [7.1536]
_cell_length_c [16.9863]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na4Nd3BiO8]
_chemical_formula_sum '[Na12 Nd9 Bi3 O24]'
_cell_volume [752.8049]
_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
[
  Na  Na0  9  0.0000  0.5000  0.5000  1.0
  Na  Na1  3  -0.0000  -0.0000  0.5000  1.0
  Nd  Nd2  9  0.0000  0.5000  0.0000  1.0
  Bi  Bi3  3  0.0000  0.0000  0.0000  1.0
  O  O4  18  0.0028  0.5014  0.2595  1.0
  O  O5  6  0.0000  0.0000  0.2617  1.0
]