data_[Ba3Al18Ag24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.3485]
_cell_length_b [8.3485]
_cell_length_c [15.0096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ba(Al3Ag4)2]
_chemical_formula_sum '[Ba3 Al18 Ag24]'
_cell_volume [905.9639]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Al  Al1  18  0.0007  0.1958  0.6303  1
  Ag  Ag2  18  0.0031  0.6738  0.5353  1
  Ag  Ag3  6  0.0000  0.0000  0.2226  1
]