data_[Na4Bi4Te8O24]
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
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.5103]
_cell_length_b [11.4971]
_cell_length_c [6.2762]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.8921]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaBi(TeO3)2]
_chemical_formula_sum '[Na4 Bi4 Te8 O24]'
_cell_volume [671.5142]
_cell_formula_units_Z [4]
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  4  0.0000  0.2562  0.7500  1.0
  Bi  Bi1  4  0.0000  0.0966  0.2500  1.0
  Te  Te2  8  0.1707  0.3833  0.2185  1.0
  O  O3  8  0.0820  0.3813  0.4610  1.0
  O  O4  8  0.1293  0.0984  0.6171  1.0
  O  O5  8  0.1600  0.2182  0.1530  1.0
]