data_[Ba4Na4Ag8]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.8011]
_cell_length_b [4.8881]
_cell_length_c [11.6154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [BaNaAg2]
_chemical_formula_sum '[Ba4 Na4 Ag8]'
_cell_volume [499.7042]
_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  4  0.1519  0.2500  0.8565  1.0
  Na  Na1  4  0.0212  0.7500  0.6008  1.0
  Ag  Ag2  4  0.1441  0.2500  0.1670  1.0
  Ag  Ag3  4  0.2413  0.7500  0.0659  1.0
]