data_Ge2BiPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.43
_cell_length_b   3.43
_cell_length_c   8.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.82
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge2BiPb
_chemical_formula_sum   'Ge2 Bi1 Pb1'
_cell_volume   102.03
_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
  Ge  Ge1  1  0.0  0.0  0.32  1.0
  Ge  Ge2  1  0.34  0.0  0.88  1.0
  Bi  Bi0  1  0.34  0.0  0.94  1.0
  Pb  Pb3  1  0.0  0.0  0.64  1.0

data_Ge2BiPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.43
_cell_length_b   3.43
_cell_length_c   8.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.82
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge2BiPb
_chemical_formula_sum   'Ge2 Bi1 Pb1'
_cell_volume   102.03
_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
  Ge  Ge0  1  0.0  0.0  0.32  1.0
  Ge  Ge1  1  0.34  0.0  0.88  1.0
  Bi  Bi2  1  0.34  0.0  0.94  1.0
  Pb  Pb3  1  0.0  0.0  0.64  1.0

Ge Ge Bi Pb
Ge Ge Bi Pb 0 0 o + o 0 0 + o o 0 2 o o - 0 3 o o o 1 2 o o o 1 3 + o o 1 3 o o o 2 3 o o o 