data_[In4Si4Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  In  1.7800  1.5500  0.9400
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [6.7818]
_cell_length_b [6.7818]
_cell_length_c [6.7818]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [InSiAg2]
_chemical_formula_sum '[In4 Si4 Ag8]'
_cell_volume [311.9188]
_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
[
  In  In0  4  0.0000  0.0000  0.5000  1
  Si  Si1  4  0.0000  0.0000  0.0000  1
  Ag  Ag2  8  0.2500  0.2500  0.2500  1
]