data_[Ho4Si8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0504]
_cell_length_b [17.5821]
_cell_length_c [4.2044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [HoSi2Ag]
_chemical_formula_sum '[Ho4 Si8 Ag4]'
_cell_volume [299.4129]
_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  4  0.0000  0.4059  0.2500  1.0
  Si  Si1  4  0.0000  0.0309  0.2500  1.0
  Si  Si2  4  0.0000  0.1608  0.2500  1.0
  Ag  Ag3  4  0.0000  0.2503  0.7500  1.0
]