data_[Cs4Na2Bi2]
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
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [5.9532]
_cell_length_b [5.9532]
_cell_length_c [13.0222]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [Cs2NaBi]
_chemical_formula_sum '[Cs4 Na2 Bi2]'
_cell_volume [399.6775]
_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
[
  Cs  Cs0  4  0.3333  0.6667  0.5898  1.0
  Na  Na1  2  0.0000  0.0000  0.2500  1.0
  Bi  Bi2  2  0.3333  0.6667  0.2500  1.0
]