data_[Na1Nb1Sb2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nb  1.6000  1.4500  0.8200
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.5724]
_cell_length_b [5.9843]
_cell_length_c [6.1935]
_cell_angle_alpha [97.7702]
_cell_angle_beta [114.2216]
_cell_angle_gamma [113.4577]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [NaNb(SbO3)2]
_chemical_formula_sum '[Na1 Nb1 Sb2 O6]'
_cell_volume [161.4132]
_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  0.9438  0.4529  0.5130  1.0
  Nb  Nb1  1  0.0295  0.0143  0.0325  1.0
  Sb  Sb2  1  0.3556  0.6048  0.1889  1.0
  Sb  Sb3  1  0.4467  0.1361  0.7807  1.0
  O  O4  1  0.0368  0.8624  0.7370  1.0
  O  O5  1  0.1068  0.8002  0.2203  1.0
  O  O6  1  0.1848  0.3300  0.3270  1.0
  O  O7  1  0.4961  0.2809  0.1209  1.0
  O  O8  1  0.5936  0.8824  0.8790  1.0
  O  O9  1  0.9919  0.3335  0.8638  1.0
]