data_[Na4Sb12O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.5750]
_cell_length_b [5.2631]
_cell_length_c [15.4568]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1697]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaSb3O8]
_chemical_formula_sum '[Na4 Sb12 O32]'
_cell_volume [588.7677]
_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  4  0.2683  0.2396  0.9215  1
  Sb  Sb1  4  0.0224  0.7353  0.8347  1
  Sb  Sb2  4  0.2398  0.7397  0.5840  1
  Sb  Sb3  4  0.4868  0.2388  0.6620  1
  O  O4  4  0.0263  0.5806  0.1008  1
  O  O5  4  0.0857  0.0614  0.7834  1
  O  O6  4  0.1301  0.6127  0.4601  1
  O  O7  4  0.2221  0.0915  0.1583  1
  O  O8  4  0.2754  0.6053  0.8429  1
  O  O9  4  0.3548  0.0475  0.5522  1
  O  O10  4  0.4099  0.5897  0.2165  1
  O  O11  4  0.4754  0.5536  0.5928  1
]