data_[Na24W8N16]
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
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4_1/amd]
_cell_length_a [6.4675]
_cell_length_b [6.4675]
_cell_length_c [24.8037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [141]
_chemical_formula_structural [Na3WN2]
_chemical_formula_sum '[Na24 W8 N16]'
_cell_volume [1037.5132]
_cell_formula_units_Z [8]
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  16  0.2432  0.2432  0.5000  1
  Na  Na1  8  0.0000  0.0000  0.1189  1
  W  W2  8  0.0000  0.0000  0.3894  1
  N  N3  16  0.0000  0.2244  0.4308  1
]