data_KNaPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.78
_cell_length_b   5.78
_cell_length_c   5.78
_cell_angle_alpha   121.42
_cell_angle_beta   121.42
_cell_angle_gamma   87.55
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaPb2
_chemical_formula_sum   'K1 Na1 Pb2'
_cell_volume   133.4
_cell_formula_units_Z   1
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  1  0.0  0.83  0.09  1.0
  Na  Na1  1  0.0  0.0  0.0  1.0
  Pb  Pb2  1  0.83  0.0  0.09  1.0
  Pb  Pb3  1  0.0  0.0  0.17  1.0

data_KNaPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.65
_cell_length_b   5.65
_cell_length_c   5.78
_cell_angle_alpha   119.29
_cell_angle_beta   119.29
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaPb2
_chemical_formula_sum   'K1 Na1 Pb2'
_cell_volume   133.4
_cell_formula_units_Z   1
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  1  0.74  0.83  0.74  1.0
  Na  Na1  1  0.0  0.0  0.0  1.0
  Pb  Pb2  1  0.83  0.0  0.83  1.0
  Pb  Pb3  1  0.91  0.0  0.74  1.0

K Na Pb Pb