data_[Ba4Na4Sn6]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7937]
_cell_length_b [5.3909]
_cell_length_c [7.9579]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.3728]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ba2Na2Sn3]
_chemical_formula_sum '[Ba4 Na4 Sn6]'
_cell_volume [482.8709]
_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  4  0.1554  0.0000  0.7387  1.0
  Na  Na1  4  0.1351  0.0000  0.2205  1.0
  Sn  Sn2  4  0.0945  0.5000  0.4224  1.0
  Sn  Sn3  2  0.0000  0.5000  0.0000  1.0
]