data_[Li8Al12Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.3753]
_cell_length_b [9.2806]
_cell_length_c [13.1212]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Li2(AlAg)3]
_chemical_formula_sum '[Li8 Al12 Ag12]'
_cell_volume [532.7873]
_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
[
  Li  Li0  8  0.0000  0.2335  0.1279  1.0
  Al  Al1  8  0.0000  0.0752  0.5856  1.0
  Al  Al2  4  0.0000  0.2401  0.7500  1.0
  Ag  Ag3  8  0.0000  0.3751  0.5592  1.0
  Ag  Ag4  4  0.0000  0.4651  0.2500  1.0
]