data_[Li4Al2Fe2O8]
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 [Pc]
_cell_length_a [5.0383]
_cell_length_b [5.4709]
_cell_length_c [8.1719]
_cell_angle_alpha [90.0000]
_cell_angle_beta [128.1066]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [Li2AlFeO4]
_chemical_formula_sum '[Li4 Al2 Fe2 O8]'
_cell_volume [177.2395]
_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  0.2526  0.3291  0.2494  1.0
  Li  Li1  2  0.5047  0.1659  0.0023  1.0
  Al  Al2  2  0.9961  0.1691  0.5002  1.0
  Fe  Fe3  2  0.7515  0.3311  0.7530  1.0
  O  O4  2  0.0895  0.1424  0.9902  1.0
  O  O5  2  0.3489  0.3159  0.7292  1.0
  O  O6  2  0.6525  0.1808  0.5110  1.0
  O  O7  2  0.8755  0.3341  0.2743  1.0
]