data_Cu2IrPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.8
_cell_length_b   8.8
_cell_length_c   8.8
_cell_angle_alpha   19.68
_cell_angle_beta   19.68
_cell_angle_gamma   19.68
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2IrPb
_chemical_formula_sum   'Cu2 Ir1 Pb1'
_cell_volume   67.67
_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
  Cu  Cu0  1  0.0  0.0  0.21  1.0
  Cu  Cu1  1  0.0  0.0  0.68  1.0
  Ir  Ir2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.0  0.0  0.94  1.0

data_Cu2IrPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.21
_cell_length_b   3.01
_cell_length_c   8.8
_cell_angle_alpha   90.0
_cell_angle_beta   101.38
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cu2IrPb
_chemical_formula_sum   'Cu4 Ir2 Pb2'
_cell_volume   135.35
_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
  Cu  Cu0  2  0.0  0.0  0.32  1.0
  Cu  Cu1  2  0.0  0.0  0.79  1.0
  Ir  Ir2  2  0.0  0.0  0.0  1.0
  Pb  Pb3  2  0.0  0.0  0.06  1.0

Cu Cu Ir Pb