data_ReNiPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.48
_cell_length_b   6.48
_cell_length_c   6.48
_cell_angle_alpha   153.74
_cell_angle_beta   153.74
_cell_angle_gamma   37.48
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ReNiPb
_chemical_formula_sum   'Re1 Ni1 Pb1'
_cell_volume   53.22
_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
  Re  Re2  1  0.0  0.0  0.86  1.0
  Ni  Ni0  1  0.0  0.0  0.3  1.0
  Pb  Pb1  1  0.0  0.0  0.11  1.0

data_ReNiPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.16
_cell_length_b   4.16
_cell_length_c   6.48
_cell_angle_alpha   90.0
_cell_angle_beta   108.74
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ReNiPb
_chemical_formula_sum   'Re2 Ni2 Pb2'
_cell_volume   106.44
_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
  Re  Re0  2  0.0  0.0  0.14  1.0
  Ni  Ni1  2  0.0  0.0  0.7  1.0
  Pb  Pb2  2  0.0  0.0  0.89  1.0

Re Ni Pb
Re Ni Pb 0 2 o o + 1 2 o o o 