data_[Na4Al8V4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.8790]
_cell_length_b [10.9530]
_cell_length_c [5.8739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.2687]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAl2VO6]
_chemical_formula_sum '[Na4 Al8 V4 O24]'
_cell_volume [520.7640]
_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  0.0000  0.1037  0.7500  1.0
  Al  Al1  8  0.1264  0.4272  0.6638  1.0
  V  V2  4  0.0000  0.1901  0.2500  1.0
  O  O3  8  0.0904  0.2724  0.5259  1.0
  O  O4  8  0.1170  0.4486  0.9608  1.0
  O  O5  8  0.1411  0.0919  0.2067  1.0
]