data_[Np6Si8Pt4]
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 [C2/m]
_cell_length_a [10.7015]
_cell_length_b [4.1598]
_cell_length_c [8.1042]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.3560]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Np3(Si2Pt)2]
_chemical_formula_sum '[Np6 Si8 Pt4]'
_cell_volume [349.5016]
_cell_formula_units_Z [2]
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  0.1678  0.5000  0.6692  1
  Np  Np1  2  0.0000  0.0000  0.0000  1
  Si  Si2  4  0.0448  0.0000  0.3825  1
  Si  Si3  4  0.2248  0.5000  0.0567  1
  Pt  Pt4  4  0.1140  0.5000  0.2822  1
]