data_[Na4Ag4W4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.8880]
_cell_length_b [2.9642]
_cell_length_c [10.0648]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaAgW]
_chemical_formula_sum '[Na4 Ag4 W4]'
_cell_volume [235.3282]
_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  0.1470  0.7500  0.5854  1
  Ag  Ag1  4  0.1606  0.7500  0.2898  1
  W  W2  4  0.0453  0.7500  0.9095  1
]