data_SiGeSb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.15
_cell_length_b   4.81
_cell_length_c   6.08
_cell_angle_alpha   90.0
_cell_angle_beta   100.09
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiGeSb2
_chemical_formula_sum   'Si1 Ge1 Sb2'
_cell_volume   90.69
_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
  Si  Si3  1  0.0  0.0  0.0  1.0
  Ge  Ge0  1  0.04  0.0  0.99  1.0
  Sb  Sb1  1  0.97  0.41  0.52  1.0
  Sb  Sb2  1  0.12  0.41  0.46  1.0

data_SiGeSb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.15
_cell_length_b   4.81
_cell_length_c   6.08
_cell_angle_alpha   90.0
_cell_angle_beta   100.09
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiGeSb2
_chemical_formula_sum   'Si1 Ge1 Sb2'
_cell_volume   90.69
_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
  Si  Si0  1  0.0  0.0  0.0  1.0
  Ge  Ge1  1  0.04  0.0  0.99  1.0
  Sb  Sb2  1  0.12  0.41  0.46  1.0
  Sb  Sb3  1  0.97  0.41  0.52  1.0

Si Ge Sb Sb
SiGe(Sb)2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one diantimony molecule and one germanium;silicon molecule.