data_[Ac18Ni3Ir3Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ni  1.9100  1.3500  0.7400
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.5847]
_cell_length_b [7.5847]
_cell_length_c [20.9607]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ac6NiIrPt2]
_chemical_formula_sum '[Ac18 Ni3 Ir3 Pt6]'
_cell_volume [1044.2711]
_cell_formula_units_Z [3]
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
[
  Ac  Ac0  9  0.0202  0.6776  0.2508  1
  Ac  Ac1  9  0.0221  0.3468  0.7518  1
  Ni  Ni2  3  0.0000  0.0000  0.6734  1
  Ir  Ir3  3  0.0000  0.0000  0.1742  1
  Pt  Pt4  3  0.0000  0.0000  0.4929  1
  Pt  Pt5  3  0.0000  0.0000  0.9923  1
]