data_[Mg8Al8Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.7360]
_cell_length_b [5.5436]
_cell_length_c [9.2562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [MgAlAg]
_chemical_formula_sum '[Mg8 Al8 Ag8]'
_cell_volume [448.2679]
_cell_formula_units_Z [8]
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
[
  Mg  Mg0  4  0.1855  0.0000  0.3339  1.0
  Mg  Mg1  4  0.3146  0.0000  0.6685  1.0
  Al  Al2  4  0.0000  0.2367  0.5838  1.0
  Al  Al3  2  0.0000  0.0000  0.8298  1.0
  Al  Al4  2  0.5000  0.0000  0.1630  1.0
  Ag  Ag5  4  0.2383  0.0000  0.0108  1.0
  Ag  Ag6  4  0.5000  0.2458  0.4065  1.0
]