data_[Pt4Se2I4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [20.6422]
_cell_length_b [4.4800]
_cell_length_c [6.7440]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Pt2SeI2]
_chemical_formula_sum '[Pt4 Se2 I4]'
_cell_volume [623.6707]
_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
[
  Pt  Pt0  4  0.4322  0.2955  0.0985  1
  Se  Se1  2  0.5000  0.3210  0.4201  1
  I  I2  4  0.3633  0.1522  0.7735  1
]