data_[Ba6Sr8Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4326]
_cell_length_b [10.3509]
_cell_length_c [19.3135]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ba3(SrAg)4]
_chemical_formula_sum '[Ba6 Sr8 Ag8]'
_cell_volume [886.1346]
_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  0.0000  0.0000  0.1021  1.0
  Ba  Ba1  2  0.0000  0.5000  0.0000  1.0
  Sr  Sr2  8  0.0000  0.1862  0.3296  1.0
  Ag  Ag3  4  0.0000  0.2914  0.5000  1.0
  Ag  Ag4  4  0.0000  0.5000  0.2523  1.0
]