data_[Na2Nb6Te8O32]
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
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.7126]
_cell_length_b [7.5556]
_cell_length_c [14.4271]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.0887]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaNb3(TeO4)4]
_chemical_formula_sum '[Na2 Nb6 Te8 O32]'
_cell_volume [715.4854]
_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  2  0.5000  0.0000  0.5000  1
  Nb  Nb1  4  0.0770  0.0002  0.2736  1
  Nb  Nb2  2  0.0000  0.0000  0.0000  1
  Te  Te3  2  0.0525  0.7500  0.4983  1
  Te  Te4  2  0.4043  0.7500  0.7213  1
  Te  Te5  2  0.4257  0.2500  0.7106  1
  Te  Te6  2  0.4892  0.2500  0.0007  1
  O  O7  4  0.0474  0.0331  0.1421  1
  O  O8  4  0.1234  0.5575  0.4259  1
  O  O9  4  0.2190  0.5535  0.7180  1
  O  O10  4  0.2970  0.0593  0.0049  1
  O  O11  4  0.3790  0.5608  0.2950  1
  O  O12  2  0.0098  0.2500  0.7390  1
  O  O13  2  0.0797  0.7500  0.0191  1
  O  O14  2  0.1434  0.2500  0.3108  1
  O  O15  2  0.3121  0.2500  0.5810  1
  O  O16  2  0.3461  0.7500  0.5770  1
  O  O17  2  0.3875  0.7500  0.8725  1
]