data_[K2Na4Pb4Cl14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.8009]
_cell_length_b [23.4381]
_cell_length_c [5.7650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KNa2Pb2Cl7]
_chemical_formula_sum '[K2 Na4 Pb4 Cl14]'
_cell_volume [783.8187]
_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  0.0000  0.0000  0.1816  1.0
  Na  Na1  4  0.0000  0.2483  0.4909  1.0
  Pb  Pb2  4  0.0000  0.3777  0.9966  1.0
  Cl  Cl3  4  0.0000  0.1214  0.4765  1.0
  Cl  Cl4  4  0.0000  0.2556  0.9911  1.0
  Cl  Cl5  4  0.0000  0.3700  0.4982  1.0
  Cl  Cl6  2  0.0000  0.5000  0.9113  1.0
]