data_[Np4U4Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [6.0218]
_cell_length_b [10.6319]
_cell_length_c [5.4098]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.6843]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [NpUPb]
_chemical_formula_sum '[Np4 U4 Pb4]'
_cell_volume [291.5080]
_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  0.1092  0.6176  0.7629  1
  U  U1  4  0.1187  0.8233  0.2758  1
  Pb  Pb2  2  0.0000  0.0844  0.5000  1
  Pb  Pb3  2  0.0000  0.3566  0.0000  1
]