data_[Np4U4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  U  1.3800  1.7500  0.9913
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I4_1/amd]
_cell_length_a [6.2052]
_cell_length_b [6.2052]
_cell_length_c [12.3738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [141]
_chemical_formula_structural [NpUSb2]
_chemical_formula_sum '[Np4 U4 Sb8]'
_cell_volume [476.4458]
_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
[
  Np  Np0  4  0.0000  0.0000  0.0000  1
  U  U1  4  0.0000  0.0000  0.5000  1
  Sb  Sb2  8  0.0000  0.0000  0.2503  1
]