data_[Na4Sr4Nb4Sn4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Nb  1.6000  1.4500  0.8200
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [8.1271]
_cell_length_b [8.1271]
_cell_length_c [8.1271]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [NaSrNbSnO6]
_chemical_formula_sum '[Na4 Sr4 Nb4 Sn4 O24]'
_cell_volume [536.7921]
_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  0.2500  0.2500  0.7500  1.0
  Sr  Sr1  4  0.2500  0.2500  0.2500  1.0
  Nb  Nb2  4  0.0000  0.0000  0.0000  1.0
  Sn  Sn3  4  0.0000  0.0000  0.5000  1.0
  O  O4  24  0.0000  0.0000  0.2464  1.0
]