data_[Ba2Na4Sn2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1054]
_cell_length_b [9.6512]
_cell_length_c [8.7752]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [BaNa2SnBi2]
_chemical_formula_sum '[Ba2 Na4 Sn2 Bi4]'
_cell_volume [432.3772]
_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
[
  Ba  Ba0  2  0.0000  0.0529  0.4965  1.0
  Na  Na1  2  0.0000  0.3395  0.8583  1.0
  Na  Na2  2  0.5000  0.4285  0.5281  1.0
  Sn  Sn3  2  0.5000  0.1892  0.1441  1.0
  Bi  Bi4  2  0.0000  0.3487  0.2398  1.0
  Bi  Bi5  2  0.5000  0.1441  0.7788  1.0
]