data_[Np4B16W4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  B  2.0400  0.8500  0.4100
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [5.9994]
_cell_length_b [11.6118]
_cell_length_c [3.6367]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [NpB4W]
_chemical_formula_sum '[Np4 B16 W4]'
_cell_volume [253.3482]
_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  0.1260  0.1508  0.0000  1
  B  B1  4  0.0258  0.6933  0.5000  1
  B  B2  4  0.1157  0.5474  0.5000  1
  B  B3  4  0.1324  0.9680  0.5000  1
  B  B4  4  0.2101  0.8124  0.5000  1
  W  W5  4  0.1350  0.4119  0.0000  1
]