data_KZnPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.71
_cell_length_b   6.71
_cell_length_c   3.45
_cell_angle_alpha   102.67
_cell_angle_beta   102.67
_cell_angle_gamma   118.27
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KZnPb2
_chemical_formula_sum   'K1 Zn1 Pb2'
_cell_volume   123.84
_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  0.0  1.0
  Zn  Zn3  1  0.44  0.0  0.0  1.0
  Pb  Pb1  1  0.98  0.88  0.56  1.0
  Pb  Pb2  1  0.98  0.12  0.56  1.0

data_KZnPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.45
_cell_length_b   6.25
_cell_length_c   6.71
_cell_angle_alpha   116.39
_cell_angle_beta   102.67
_cell_angle_gamma   94.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KZnPb2
_chemical_formula_sum   'K1 Zn1 Pb2'
_cell_volume   123.84
_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  0.0  1.0
  Zn  Zn1  1  -0.0  0.0  0.44  1.0
  Pb  Pb2  1  0.44  0.88  0.87  1.0
  Pb  Pb3  1  0.68  0.12  0.1  1.0

K Zn Pb Pb