data_[K4Si8Pt12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [6.8729]
_cell_length_b [10.4858]
_cell_length_c [6.0471]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KSi2Pt3]
_chemical_formula_sum '[K4 Si8 Pt12]'
_cell_volume [435.8041]
_cell_formula_units_Z [4]
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
[
  K  K0  2  0.0000  0.0000  0.9804  1.0
  K  K1  2  0.0000  0.5000  0.5038  1.0
  Si  Si2  4  0.0000  0.1599  0.4553  1.0
  Si  Si3  4  0.0000  0.3174  0.0574  1.0
  Pt  Pt4  8  0.2078  0.2520  0.7478  1.0
  Pt  Pt5  4  0.2218  0.5000  0.9935  1.0
]