data_[Np4U12As12]
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
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P2_13]
_cell_length_a [8.5413]
_cell_length_b [8.5413]
_cell_length_c [8.5413]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [198]
_chemical_formula_structural [Np(UAs)3]
_chemical_formula_sum '[Np4 U12 As12]'
_cell_volume [623.1119]
_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  0.0751  0.5751  0.9249  1
  U  U1  4  0.0764  0.4236  0.5764  1
  U  U2  4  0.1726  0.1726  0.1726  1
  U  U3  4  0.1729  0.8271  0.3271  1
  As  As4  12  0.0006  0.7490  0.6260  1
]