data_[Np16Si24Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [7.9703]
_cell_length_b [8.1949]
_cell_length_c [14.1557]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Np2Si3Pt]
_chemical_formula_sum '[Np16 Si24 Pt8]'
_cell_volume [924.5961]
_cell_formula_units_Z [8]
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  8  0.2476  0.0000  0.0000  1
  Np  Np1  8  0.2500  0.2500  0.2500  1
  Si  Si2  16  0.0000  0.2473  0.0821  1
  Si  Si3  8  0.0000  0.0000  0.1633  1
  Pt  Pt4  8  0.0000  0.0000  0.3324  1
]