data_[Y2Fe4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.1221]
_cell_length_b [3.5059]
_cell_length_c [8.7918]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9193]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Y(FeO2)2]
_chemical_formula_sum '[Y2 Fe4 O8]'
_cell_volume [183.1589]
_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
[
  Y  Y0  1  0.0000  0.0000  0.0000  1.0
  Y  Y1  1  0.5000  0.5000  0.0000  1.0
  Fe  Fe2  2  0.2094  0.0000  0.6433  1.0
  Fe  Fe3  2  0.2918  0.5000  0.3619  1.0
  O  O4  2  0.1410  0.0000  0.3836  1.0
  O  O5  2  0.2100  0.5000  0.1316  1.0
  O  O6  2  0.2895  0.0000  0.8813  1.0
  O  O7  2  0.3827  0.5000  0.6112  1.0
]