data_[Np2U2Sb2]
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 [Cm]
_cell_length_a [5.4437]
_cell_length_b [4.8394]
_cell_length_c [5.4311]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.8686]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [NpUSb]
_chemical_formula_sum '[Np2 U2 Sb2]'
_cell_volume [131.8329]
_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  2  0.3122  0.0000  0.2589  1
  U  U1  2  0.1388  0.5000  0.0512  1
  Sb  Sb2  2  0.4787  0.5000  0.6530  1
]