data_[Zn2Fe2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Fe  1.8300  1.4000  0.8525
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [6.5681]
_cell_length_b [6.5681]
_cell_length_c [11.5749]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [ZnFeI4]
_chemical_formula_sum '[Zn2 Fe2 I8]'
_cell_volume [499.3393]
_cell_formula_units_Z [2]
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
[
  Zn  Zn0  2  0.0000  0.5000  0.7500  1.0
  Fe  Fe1  2  0.0000  0.0000  0.5000  1.0
  I  I2  8  0.2252  0.7526  0.6240  1.0
]