data_[Al8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.0532]
_cell_length_b [5.6173]
_cell_length_c [5.1874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2118]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Al2Ag]
_chemical_formula_sum '[Al8 Ag4]'
_cell_volume [205.5237]
_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
[
  Al  Al0  4  0.0007  0.6287  0.2461  1.0
  Al  Al1  4  0.3323  0.1227  0.9095  1.0
  Ag  Ag2  4  0.3303  0.6210  0.9086  1.0
]