data_[Na4V8O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [11.8511]
_cell_length_b [5.9442]
_cell_length_c [5.1921]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.0586]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [NaV2O4]
_chemical_formula_sum '[Na4 V8 O16]'
_cell_volume [353.1985]
_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  0.4984  0.1912  0.2500  1.0
  V  V1  4  0.2472  0.3749  0.2517  1.0
  V  V2  4  0.2537  0.1265  0.7466  1.0
  O  O3  4  0.1556  0.3808  0.5263  1.0
  O  O4  4  0.1629  0.1402  0.0400  1.0
  O  O5  4  0.3386  0.3924  0.9695  1.0
  O  O6  4  0.3446  0.1268  0.4660  1.0
]