data_[K2Rb4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [7.4795]
_cell_length_b [7.5899]
_cell_length_c [9.2729]
_cell_angle_alpha [74.6165]
_cell_angle_beta [86.6387]
_cell_angle_gamma [75.4864]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [KRb2Pb]
_chemical_formula_sum '[K2 Rb4 Pb2]'
_cell_volume [491.3343]
_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
[
  Rb  Rb0  1  0.2286  0.5615  0.4666  1.0
  Rb  Rb1  1  0.3774  0.1332  0.1225  1.0
  Rb  Rb2  1  0.4477  0.9162  0.6950  1.0
  Rb  Rb3  1  0.7922  0.3673  0.7936  1.0
  K  K4  1  0.8257  0.1723  0.3602  1.0
  K  K5  1  0.9991  0.7332  0.0333  1.0
  Pb  Pb6  1  0.5423  0.6075  0.1031  1.0
  Pb  Pb7  1  0.6979  0.6871  0.3779  1.0
]