data_[Ba2Na2Sn4Bi2]
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 [Imm2]
_cell_length_a [4.8777]
_cell_length_b [5.1201]
_cell_length_c [13.7805]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [BaNaSn2Bi]
_chemical_formula_sum '[Ba2 Na2 Sn4 Bi2]'
_cell_volume [344.1531]
_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  0.0000  0.4416  1
  Na  Na1  2  0.0000  0.5000  0.1892  1
  Sn  Sn2  2  0.0000  0.0000  0.0577  1
  Sn  Sn3  2  0.0000  0.5000  0.6880  1
  Bi  Bi4  2  0.0000  0.0000  0.8357  1
]