data_[Ba2Sr4Fe2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  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 [Immm]
_cell_length_a [3.8873]
_cell_length_b [6.0098]
_cell_length_c [11.8827]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [BaSr2FeO5]
_chemical_formula_sum '[Ba2 Sr4 Fe2 O10]'
_cell_volume [277.6010]
_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
[
  Ba  Ba0  2  0.0000  0.5000  0.0000  1.0
  Sr  Sr1  4  0.0000  0.0000  0.2107  1.0
  Fe  Fe2  2  0.0000  0.5000  0.5000  1.0
  O  O3  8  0.0000  0.2667  0.3746  1.0
  O  O4  2  0.0000  0.0000  0.0000  1.0
]