data_KNaPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.4
_cell_length_b   6.4
_cell_length_c   6.4
_cell_angle_alpha   147.79
_cell_angle_beta   130.51
_cell_angle_gamma   60.28
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaPb
_chemical_formula_sum   'K1 Na1 Pb1'
_cell_volume   105.37
_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  0.0  0.99  1.0
  Na  Na1  1  0.0  0.0  0.58  1.0
  Pb  Pb2  1  0.0  0.0  0.57  1.0

data_KNaPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.55
_cell_length_b   5.36
_cell_length_c   6.4
_cell_angle_alpha   114.74
_cell_angle_beta   106.1
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaPb
_chemical_formula_sum   'K1 Na1 Pb1'
_cell_volume   105.37
_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  0.01  0.01  0.01  1.0
  Na  Na1  1  0.42  0.42  0.42  1.0
  Pb  Pb2  1  0.43  0.43  0.43  1.0

K Na Pb
K Na Pb 0 2 o o o 0 1 o o o 1 2 o o o 