data_[K15Pb6]
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
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.4060]
_cell_length_b [6.4060]
_cell_length_c [25.9831]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K5Pb2]
_chemical_formula_sum '[K15 Pb6]'
_cell_volume [923.4122]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2099  1.0
  K  K1  6  0.0000  0.0000  0.3522  1.0
  K  K2  3  -0.0000  -0.0000  0.5000  1.0
  Pb  Pb3  6  0.0000  0.0000  0.0623  1.0
]