data_[Fe4Cu4Ag4I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.2746]
_cell_length_b [10.5253]
_cell_length_c [10.1496]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.1805]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [FeCuAgI5]
_chemical_formula_sum '[Fe4 Cu4 Ag4 I20]'
_cell_volume [1322.2922]
_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
[
  Fe  Fe0  4  0.0000  0.3231  0.2500  1
  Cu  Cu1  4  0.0000  0.0000  0.0000  1
  Ag  Ag2  4  0.0000  0.3845  0.7500  1
  I  I3  8  0.1145  0.1837  0.1480  1
  I  I4  8  0.1427  0.4521  0.4481  1
  I  I5  4  0.0000  0.1246  0.7500  1
]