data_[Sr8Fe12O24]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2/mnm]
_cell_length_a [5.5300]
_cell_length_b [5.5300]
_cell_length_c [19.3755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [136]
_chemical_formula_structural [Sr2(FeO2)3]
_chemical_formula_sum '[Sr8 Fe12 O24]'
_cell_volume [592.5303]
_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  8  0.2384  0.7616  0.0894  1
  Fe  Fe1  8  0.1763  0.8237  0.2956  1
  Fe  Fe2  4  0.2467  0.7533  0.5000  1
  O  O3  8  0.1846  0.1846  0.2863  1
  O  O4  8  0.2436  0.2436  0.1130  1
  O  O5  4  0.0000  0.5000  0.0000  1
  O  O6  2  0.0000  0.0000  0.0000  1
  O  O7  2  0.0000  0.0000  0.5000  1
]