data_[Na8Ti4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [9.4582]
_cell_length_b [6.1548]
_cell_length_c [5.3852]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2TiO3]
_chemical_formula_sum '[Na8 Ti4 O12]'
_cell_volume [313.4887]
_cell_formula_units_Z [4]
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  8  0.1650  0.3686  0.7720  1
  Ti  Ti1  4  0.0000  0.0952  0.2335  1
  O  O2  8  0.1356  0.0433  0.5084  1
  O  O3  4  0.0000  0.3697  0.1377  1
]