data_[Np4Fe10Si4W2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [9.9118]
_cell_length_b [9.9118]
_cell_length_c [2.9249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Np2Fe5Si2W]
_chemical_formula_sum '[Np4 Fe10 Si4 W2]'
_cell_volume [287.3517]
_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
[
  Np  Np0  4  0.1767  0.3233  0.0000  1
  Fe  Fe1  8  0.0391  0.7925  0.5000  1
  Fe  Fe2  2  0.0000  0.5000  0.5000  1
  Si  Si3  4  0.1249  0.6249  0.0000  1
  W  W4  2  0.0000  0.0000  0.0000  1
]