data_[Er64Ni16Ag16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [13.2348]
_cell_length_b [13.2348]
_cell_length_c [13.2348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [Er4NiAg]
_chemical_formula_sum '[Er64 Ni16 Ag16]'
_cell_volume [2318.2268]
_cell_formula_units_Z [16]
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
[
  Er  Er0  24  0.0000  0.0000  0.3113  1
  Er  Er1  24  0.0642  0.2500  0.7500  1
  Er  Er2  16  0.1495  0.1495  0.1495  1
  Ni  Ni3  16  0.1432  0.1432  0.3568  1
  Ag  Ag4  16  0.0823  0.0823  0.9177  1
]