data_[K2Pb2Cl6]
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 [P2_1/m]
_cell_length_a [8.6533]
_cell_length_b [4.3490]
_cell_length_c [8.7543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.1723]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KPbCl3]
_chemical_formula_sum '[K2 Pb2 Cl6]'
_cell_volume [328.1126]
_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  2  0.3618  0.7500  0.2136  1
  Pb  Pb1  2  0.1611  0.2500  0.6700  1
  Cl  Cl2  2  0.0797  0.2500  0.3139  1
  Cl  Cl3  2  0.3083  0.2500  0.9564  1
  Cl  Cl4  2  0.3663  0.7500  0.6016  1
]