data_[Sr2Cr4Ir2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cr  1.6600  1.4000  0.9400
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.5743]
_cell_length_b [5.6533]
_cell_length_c [7.3371]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6712]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrCr2IrO8]
_chemical_formula_sum '[Sr2 Cr4 Ir2 O16]'
_cell_volume [355.2635]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.5000  1
  Cr  Cr1  4  0.1317  0.5000  0.7813  1
  Ir  Ir2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0188  0.2418  0.7989  1
  O  O4  4  0.2094  0.5000  0.5781  1
  O  O5  4  0.2229  0.0000  0.0489  1
]