data_[Zn20Ga12Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Ga  1.8100  1.3000  0.7600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.1200]
_cell_length_b [8.1200]
_cell_length_c [10.0208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Zn5Ga3Ag]
_chemical_formula_sum '[Zn20 Ga12 Ag4]'
_cell_volume [660.7102]
_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
[
  Zn  Zn0  16  0.2053  0.2947  0.1340  1
  Zn  Zn1  4  0.0000  0.0000  0.0000  1
  Ga  Ga2  8  0.1093  0.3907  0.5000  1
  Ga  Ga3  4  0.0000  0.0000  0.2500  1
  Ag  Ag4  4  0.0000  0.5000  0.2500  1
]