data_[Ni18Pt18Rh6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ni  1.9100  1.3500  0.7400
  Pt  2.2800  1.3500  0.8050
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.0812]
_cell_length_b [7.0812]
_cell_length_c [13.1054]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ni3Pt3Rh]
_chemical_formula_sum '[Ni18 Pt18 Rh6]'
_cell_volume [569.1158]
_cell_formula_units_Z [6]
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
[
  Ni  Ni0  18  0.0466  0.2315  0.4179  1.0
  Pt  Pt1  18  0.0389  0.2442  0.9156  1.0
  Rh  Rh2  6  0.0000  0.0000  0.2572  1.0
]