data_[K1Y1Pb2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Y  1.2200  1.8000  1.0400
  Pb  2.3300  1.8000  1.1225
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.3595]
_cell_length_b [9.7370]
_cell_length_c [7.8110]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.9741]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KY(PbI4)2]
_chemical_formula_sum '[K1 Y1 Pb2 I8]'
_cell_volume [559.6521]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1.0
  Y  Y1  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.5000  0.2495  0.5000  1.0
  I  I3  4  0.2445  0.2210  0.1528  1.0
  I  I4  2  0.2348  0.0000  0.6744  1.0
  I  I5  2  0.2679  0.5000  0.6373  1.0
]