data_[K2Rb2Pb2]
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 [4.9344]
_cell_length_b [7.4075]
_cell_length_c [9.9484]
_cell_angle_alpha [78.6234]
_cell_angle_beta [76.3992]
_cell_angle_gamma [89.9642]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [KRbPb]
_chemical_formula_sum '[K2 Rb2 Pb2]'
_cell_volume [346.0890]
_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  0.1556  0.2161  0.8830  1
  K  K1  1  0.3396  0.8051  0.5542  1
  K  K2  1  0.5780  0.6667  0.0502  1
  Rb  Rb3  1  0.9062  0.3457  0.4087  1
  Pb  Pb4  1  0.5101  0.1309  0.1914  1
  Pb  Pb5  1  0.9792  0.8726  0.2577  1
]