data_[Sr4Fe4Ir4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Fe  1.8300  1.4000  0.8525
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.9025]
_cell_length_b [9.4308]
_cell_length_c [7.3687]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.0294]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [SrFeIrO5]
_chemical_formula_sum '[Sr4 Fe4 Ir4 O20]'
_cell_volume [438.1082]
_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
[
  Sr  Sr0  4  0.0000  0.3333  0.2500  1
  Fe  Fe1  4  0.0000  0.3101  0.7500  1
  Ir  Ir2  4  0.0000  0.0000  0.0000  1
  O  O3  8  0.0991  0.1975  0.5953  1
  O  O4  8  0.2014  0.4402  0.9199  1
  O  O5  4  0.0000  0.0653  0.2500  1
]