data_[Al2Zn6Ag8]
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 [Immm]
_cell_length_a [3.1321]
_cell_length_b [4.7347]
_cell_length_c [18.0205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [AlZn3Ag4]
_chemical_formula_sum '[Al2 Zn6 Ag8]'
_cell_volume [267.2373]
_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
[
  Al  Al0  2  0.0000  0.5000  0.0000  1.0
  Zn  Zn1  4  0.0000  0.5000  0.2503  1.0
  Zn  Zn2  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag3  4  0.0000  0.0000  0.1252  1.0
  Ag  Ag4  4  0.0000  0.0000  0.3751  1.0
]