data_[Sr4Fe4Sb4O20]
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
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.0303]
_cell_length_b [9.4990]
_cell_length_c [7.5208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3046]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [SrFeSbO5]
_chemical_formula_sum '[Sr4 Fe4 Sb4 O20]'
_cell_volume [457.7314]
_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  0.3318  0.2500  1.0
  Fe  Fe1  4  0.0000  0.3125  0.7500  1.0
  Sb  Sb2  4  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0972  0.1972  0.5975  1.0
  O  O4  8  0.1996  0.4429  0.9142  1.0
  O  O5  4  0.0000  0.0705  0.2500  1.0
]