data_[K4Pb2Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.1098]
_cell_length_b [8.9864]
_cell_length_c [7.6438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.0169]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2PbCl8]
_chemical_formula_sum '[K4 Pb2 Cl16]'
_cell_volume [779.7407]
_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
[
  K  K0  4  0.2357  0.5000  0.3446  1
  Pb  Pb1  2  0.0000  0.0000  0.0000  1
  Cl  Cl2  8  0.0838  0.2000  0.2793  1
  Cl  Cl3  4  0.0835  0.5000  0.6237  1
  Cl  Cl4  4  0.1957  0.0000  0.9962  1
]