data_[K2La4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  La  1.1000  1.9500  1.1720
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.9714]
_cell_length_b [6.1537]
_cell_length_c [12.4562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [KLa2Pb]
_chemical_formula_sum '[K2 La4 Pb2]'
_cell_volume [304.4106]
_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  0.5000  0.2751  1
  La  La1  2  0.0000  0.0000  0.9685  1
  La  La2  2  0.0000  0.5000  0.7389  1
  Pb  Pb3  2  0.0000  0.0000  0.5174  1
]