data_[U16Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.8943]
_cell_length_b [6.1391]
_cell_length_c [15.9692]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [U2Sb]
_chemical_formula_sum '[U16 Sb8]'
_cell_volume [577.8531]
_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
[
  U  U0  8  0.0000  0.0000  0.3676  1
  U  U1  8  0.0000  0.2405  0.5000  1
  Sb  Sb2  8  0.0000  0.0000  0.1715  1
]