data_[Ho20Cu8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.7855]
_cell_length_b [7.7855]
_cell_length_c [12.8650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Ho5Cu2Ag]
_chemical_formula_sum '[Ho20 Cu8 Ag4]'
_cell_volume [779.7886]
_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
[
  Ho  Ho0  16  0.1591  0.3409  0.6421  1
  Ho  Ho1  4  0.0000  0.0000  0.0000  1
  Cu  Cu2  8  0.1258  0.3742  0.0000  1
  Ag  Ag3  4  0.0000  0.0000  0.2500  1
]