data_[Na6Ga2Ni4O12]
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
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.3775]
_cell_length_b [8.7323]
_cell_length_c [5.6864]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2385]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ga(NiO3)2]
_chemical_formula_sum '[Na6 Ga2 Ni4 O12]'
_cell_volume [250.5371]
_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  0.1689  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Ga  Ga2  2  0.0000  0.0000  0.0000  1.0
  Ni  Ni3  4  0.0000  0.3324  0.0000  1.0
  O  O4  8  0.2164  0.1699  0.2006  1.0
  O  O5  4  0.2179  0.5000  0.1925  1.0
]