data_[Li2Al2Fe2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Al  1.6100  1.2500  0.6750
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.3181]
_cell_length_b [5.4632]
_cell_length_c [5.4936]
_cell_angle_alpha [65.0220]
_cell_angle_beta [66.2500]
_cell_angle_gamma [67.0594]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [LiAlFeO3]
_chemical_formula_sum '[Li2 Al2 Fe2 O6]'
_cell_volume [127.7034]
_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
[
  Li  Li0  2  0.0702  0.4258  0.2490  1
  Al  Al1  2  0.2446  0.9195  0.0858  1
  Fe  Fe2  2  0.4322  0.7340  0.5921  1
  O  O3  2  0.0737  0.7886  0.9213  1
  O  O4  2  0.2468  0.6131  0.3905  1
  O  O5  2  0.4281  0.0803  0.2109  1
]