data_[Ba8Na16Sr12]
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
  Sr  0.9500  2.0000  1.3200
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [8.1521]
_cell_length_b [23.1575]
_cell_length_c [9.7840]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Ba2Na4Sr3]
_chemical_formula_sum '[Ba8 Na16 Sr12]'
_cell_volume [1847.0543]
_cell_formula_units_Z [4]
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  8  0.0000  0.0933  0.6015  1.0
  Na  Na1  8  0.0000  0.1590  0.9844  1.0
  Na  Na2  8  0.2500  0.0767  0.2500  1.0
  Sr  Sr3  8  0.2500  0.2416  0.2500  1.0
  Sr  Sr4  4  0.0000  0.0000  0.0000  1.0
]