data_[Np4Pt4Rh4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Pt  2.2800  1.3500  0.8050
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.6506]
_cell_length_b [5.7681]
_cell_length_c [8.1225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [NpPtRh]
_chemical_formula_sum '[Np4 Pt4 Rh4]'
_cell_volume [217.8864]
_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  0.0000  0.2491  0.5000  1
  Pt  Pt1  4  0.0000  0.0000  0.1683  1
  Rh  Rh2  4  0.0000  0.5000  0.1637  1
]