data_[Na16Zn8Bi24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.7594]
_cell_length_b [10.6545]
_cell_length_c [18.9705]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Na2ZnBi3]
_chemical_formula_sum '[Na16 Zn8 Bi24]'
_cell_volume [1366.2124]
_cell_formula_units_Z [8]
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  8  0.2467  0.0000  0.0000  1.0
  Na  Na1  8  0.2500  0.2500  0.2500  1.0
  Zn  Zn2  8  0.0000  0.0000  0.3388  1.0
  Bi  Bi3  16  0.0000  0.2386  0.4129  1.0
  Bi  Bi4  8  0.0000  0.0000  0.1877  1.0
]