data_[Y32Np16Bi48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Np  1.3600  1.7500  1.0000
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [8.9995]
_cell_length_b [12.7131]
_cell_length_c [26.9645]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Y2NpBi3]
_chemical_formula_sum '[Y32 Np16 Bi48]'
_cell_volume [3085.0321]
_cell_formula_units_Z [16]
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
[
  Y  Y0  16  0.0000  0.0000  0.2499  1
  Y  Y1  16  0.0000  0.0000  0.4168  1
  Np  Np2  16  0.0000  0.0000  0.0834  1
  Bi  Bi3  32  0.0008  0.2498  0.5833  1
  Bi  Bi4  16  0.0011  0.2500  0.7500  1
]