data_[Ba2Na2Bi2O6]
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
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8697]
_cell_length_b [3.7098]
_cell_length_c [9.4464]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7994]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [BaNaBiO3]
_chemical_formula_sum '[Ba2 Na2 Bi2 O6]'
_cell_volume [234.7639]
_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  0.3450  0.2500  0.3183  1.0
  Na  Na1  2  0.3314  0.7500  0.9466  1.0
  Bi  Bi2  2  0.1612  0.2500  0.6606  1.0
  O  O3  2  0.0523  0.7500  0.7722  1.0
  O  O4  2  0.2869  0.7500  0.5087  1.0
  O  O5  2  0.4476  0.2500  0.8223  1.0
]