data_[Np1Bi1Pt1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Bi  2.0200  1.6000  1.0350
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [4.8960]
_cell_length_b [4.8960]
_cell_length_c [3.3716]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [NpBiPt]
_chemical_formula_sum '[Np1 Bi1 Pt1]'
_cell_volume [69.9920]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Bi  Bi1  1  0.3333  0.6667  0.5000  1
  Pt  Pt2  1  0.6667  0.3333  0.5000  1
]