data_ZnCu2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.26
_cell_length_b   8.26
_cell_length_c   8.26
_cell_angle_alpha   22.54
_cell_angle_beta   22.54
_cell_angle_gamma   22.54
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCu2Pb
_chemical_formula_sum   'Zn1 Cu2 Pb1'
_cell_volume   72.63
_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
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Cu  Cu0  1  0.0  0.0  0.83  1.0
  Cu  Cu1  1  0.0  0.0  0.31  1.0
  Pb  Pb2  1  0.0  0.0  0.07  1.0

data_ZnCu2Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.59
_cell_length_b   3.23
_cell_length_c   8.26
_cell_angle_alpha   90.0
_cell_angle_beta   103.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ZnCu2Pb
_chemical_formula_sum   'Zn2 Cu4 Pb2'
_cell_volume   145.27
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Zn  Zn0  2  0.0  0.0  0.0  1.0
  Cu  Cu1  2  -0.0  0.0  0.17  1.0
  Cu  Cu2  2  0.0  0.0  0.69  1.0
  Pb  Pb3  2  0.0  0.0  0.93  1.0

Zn Cu Cu Pb
Zn Cu Cu Pb 0 3 o o o 0 1 o o - 2 3 o o o 