data_GeBi2Sb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.66
_cell_length_b   3.66
_cell_length_c   8.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GeBi2Sb
_chemical_formula_sum   'Ge1 Bi2 Sb1'
_cell_volume   110.43
_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  Ge2  1  0.0  0.0  0.33  1.0
  Bi  Bi0  1  0.0  0.0  0.14  1.0
  Bi  Bi1  1  0.83  0.83  0.32  1.0
  Sb  Sb3  1  0.83  0.83  0.82  1.0

data_GeBi2Sb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.18
_cell_length_b   5.18
_cell_length_c   8.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   GeBi2Sb
_chemical_formula_sum   'Ge2 Bi4 Sb2'
_cell_volume   220.86
_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
  Ge  Ge0  2  0.0  0.0  0.33  1.0
  Bi  Bi1  2  0.0  0.0  0.14  1.0
  Bi  Bi2  2  0.33  0.5  0.32  1.0
  Sb  Sb3  2  0.33  0.5  0.82  1.0

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