data_[Si6Ir2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9011]
_cell_length_b [2.8449]
_cell_length_c [8.1209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.0871]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Si3IrPt]
_chemical_formula_sum '[Si6 Ir2 Pt2]'
_cell_volume [159.2057]
_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
[
  Si  Si0  2  0.1159  0.7500  0.6160  1
  Si  Si1  2  0.3362  0.7500  0.0522  1
  Si  Si2  2  0.4655  0.2500  0.3731  1
  Ir  Ir3  2  0.3237  0.2500  0.8069  1
  Pt  Pt4  2  0.1643  0.7500  0.3067  1
]