data_[Nb16Sn12W8N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Sn  1.9600  1.4500  0.8300
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.8274]
_cell_length_b [5.6816]
_cell_length_c [13.7785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8189]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nb4Sn3W2N3]
_chemical_formula_sum '[Nb16 Sn12 W8 N12]'
_cell_volume [747.0603]
_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
[
  Nb  Nb0  8  0.1109  0.9132  0.5823  1
  Nb  Nb1  8  0.2241  0.0816  0.4178  1
  Sn  Sn2  8  0.1614  0.4223  0.2498  1
  Sn  Sn3  4  0.0000  0.0929  0.7500  1
  W  W4  8  0.0555  0.4182  0.9230  1
  N  N5  8  0.0825  0.2527  0.5000  1
  N  N6  4  0.2500  0.2500  0.0000  1
]