data_[Cs8Na4Zn4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [Ibam]
_cell_length_a [7.6670]
_cell_length_b [17.3422]
_cell_length_c [7.4275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Cs2NaZnBi2]
_chemical_formula_sum '[Cs8 Na4 Zn4 Bi8]'
_cell_volume [987.5754]
_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
[
  Cs  Cs0  8  0.2415  0.1660  0.5000  1
  Na  Na1  4  0.0000  0.0000  0.2500  1
  Zn  Zn2  4  0.0000  0.5000  0.2500  1
  Bi  Bi3  8  0.2083  0.4128  0.5000  1
]