data_[Al4Zn12Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0078]
_cell_length_b [2.9346]
_cell_length_c [8.0468]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9944]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AlZn3Ag2]
_chemical_formula_sum '[Al4 Zn12 Ag8]'
_cell_volume [406.6725]
_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  0.1856  0.5000  0.0334  1.0
  Zn  Zn1  4  0.0547  0.5000  0.4252  1.0
  Zn  Zn2  4  0.0687  0.0000  0.7736  1.0
  Zn  Zn3  4  0.1856  0.5000  0.7040  1.0
  Ag  Ag4  4  0.0706  0.0000  0.1306  1.0
  Ag  Ag5  4  0.1947  0.5000  0.3703  1.0
]