data_[Na6Ga4Fe2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.2093]
_cell_length_b [9.0215]
_cell_length_c [5.6347]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9577]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ga2FeO6]
_chemical_formula_sum '[Na6 Ga4 Fe2 O12]'
_cell_volume [251.9048]
_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
[
  Na  Na0  4  0.0000  0.1661  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Ga  Ga2  4  0.0000  0.3333  0.0000  1
  Fe  Fe3  2  0.0000  0.0000  0.0000  1
  O  O4  8  0.2295  0.1642  0.1962  1
  O  O5  4  0.2369  0.5000  0.1956  1
]