data_[Y2Pt2I2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Pt  2.2800  1.3500  0.8050
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.2900]
_cell_length_b [4.2900]
_cell_length_c [11.9849]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [YPtI]
_chemical_formula_sum '[Y2 Pt2 I2]'
_cell_volume [191.0201]
_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
[
  Y  Y0  2  0.0000  0.0000  0.1623  1.0
  Pt  Pt1  2  0.3333  0.6667  0.0398  1.0
  I  I2  2  0.3333  0.6667  0.6664  1.0
]