data_[Ni2Ir2Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Cmm2]
_cell_length_a [2.7040]
_cell_length_b [4.6989]
_cell_length_c [9.2447]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [NiIrPt2]
_chemical_formula_sum '[Ni2 Ir2 Pt4]'
_cell_volume [117.4610]
_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
[
  Ni  Ni0  2  0.0000  0.5000  0.2552  1
  Ir  Ir1  2  0.0000  0.0000  0.4835  1
  Pt  Pt2  2  0.0000  0.0000  0.0160  1
  Pt  Pt3  2  0.0000  0.5000  0.7453  1
]