data_[Na3Tb1Ti2Nb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tb  1.1000  1.7500  0.9815
  Ti  1.5400  1.4000  0.8517
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.4657]
_cell_length_b [5.6097]
_cell_length_c [7.7750]
_cell_angle_alpha [90.0002]
_cell_angle_beta [90.1004]
_cell_angle_gamma [90.7968]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Na3TbTi2Nb2O12]
_chemical_formula_sum '[Na3 Tb1 Ti2 Nb2 O12]'
_cell_volume [238.3612]
_cell_formula_units_Z [1]
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  1  0.4999  0.4781  0.2522  1.0
  Na  Na1  1  0.5110  0.5393  0.7495  1.0
  Na  Na2  1  0.9898  0.0056  0.2472  1.0
  Tb  Tb3  1  0.9913  0.0643  0.7495  1.0
  Ti  Ti4  1  0.0068  0.5261  0.5044  1.0
  Ti  Ti5  1  0.4880  0.0192  0.9926  1.0
  Nb  Nb6  1  0.0065  0.5243  0.0100  1.0
  Nb  Nb7  1  0.4922  0.0084  0.4896  1.0
  O  O8  1  0.0734  0.4690  0.7477  1.0
  O  O9  1  0.1986  0.1913  0.4789  1.0
  O  O10  1  0.2031  0.1926  0.0194  1.0
  O  O11  1  0.2960  0.6913  0.4660  1.0
  O  O12  1  0.3020  0.6979  0.0385  1.0
  O  O13  1  0.4057  0.9656  0.7535  1.0
  O  O14  1  0.5606  0.0155  0.2468  1.0
  O  O15  1  0.7167  0.2652  0.9494  1.0
  O  O16  1  0.7194  0.2665  0.5516  1.0
  O  O17  1  0.8056  0.7920  0.9506  1.0
  O  O18  1  0.8064  0.7876  0.5491  1.0
  O  O19  1  0.9270  0.5002  0.2535  1.0
]