data_[Na4W4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.6093]
_cell_length_b [5.8118]
_cell_length_c [8.7804]
_cell_angle_alpha [108.6135]
_cell_angle_beta [108.1362]
_cell_angle_gamma [90.9612]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Na2W2O5]
_chemical_formula_sum '[Na4 W4 O10]'
_cell_volume [255.6394]
_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  1  0.0860  0.6095  0.2289  1
  Na  Na1  1  0.3634  0.9018  0.7747  1
  Na  Na2  1  0.6216  0.0939  0.2079  1
  Na  Na3  1  0.9161  0.4118  0.7934  1
  W  W4  1  0.3869  0.2730  0.4995  1
  W  W5  1  0.4901  0.4947  0.9968  1
  W  W6  1  0.6313  0.6939  0.5004  1
  W  W7  1  0.9944  0.9999  0.0043  1
  O  O8  1  0.1591  0.1630  0.2587  1
  O  O9  1  0.2002  0.2214  0.9571  1
  O  O10  1  0.2515  0.7568  0.9924  1
  O  O11  1  0.3672  0.9148  0.4981  1
  O  O12  1  0.4006  0.3904  0.7398  1
  O  O13  1  0.5689  0.5939  0.2594  1
  O  O14  1  0.7338  0.3339  0.4979  1
  O  O15  1  0.7372  0.2417  0.0116  1
  O  O16  1  0.7835  0.7641  0.0380  1
  O  O17  1  0.8081  0.8281  0.7410  1
]