data_[Ba6Zn4Ag18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.8340]
_cell_length_b [10.4847]
_cell_length_c [13.6796]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ba3Zn2Ag9]
_chemical_formula_sum '[Ba6 Zn4 Ag18]'
_cell_volume [693.3169]
_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  0.3113  1
  Ba  Ba1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  4  0.0000  0.2305  0.5000  1
  Ag  Ag3  8  0.0000  0.2785  0.1159  1
  Ag  Ag4  8  0.0000  0.3532  0.3255  1
  Ag  Ag5  2  0.0000  0.5000  0.0000  1
]