data_Sn2Sb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.03
_cell_length_b   12.03
_cell_length_c   12.03
_cell_angle_alpha   161.15
_cell_angle_beta   161.15
_cell_angle_gamma   26.78
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sn2Sb
_chemical_formula_sum   'Sn4 Sb2'
_cell_volume   181.92
_cell_formula_units_Z   2
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
  Sn  Sn2  1  0.97  0.0  0.46  1.0
  Sn  Sn3  1  0.0  0.0  0.1  1.0
  Sn  Sn4  1  0.97  0.0  0.24  1.0
  Sn  Sn5  1  0.0  0.0  0.32  1.0
  Sb  Sb0  1  0.0  0.97  0.85  1.0
  Sb  Sb1  1  0.0  0.0  0.0  1.0

data_Sn2Sb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.94
_cell_length_b   3.94
_cell_length_c   12.03
_cell_angle_alpha   99.43
_cell_angle_beta   99.43
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sn2Sb
_chemical_formula_sum   'Sn4 Sb2'
_cell_volume   181.92
_cell_formula_units_Z   2
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
  Sn  Sn0  1  0.54  0.0  0.51  1.0
  Sn  Sn1  1  0.68  0.0  0.68  1.0
  Sn  Sn2  1  0.76  0.0  0.73  1.0
  Sn  Sn3  1  0.9  0.0  0.9  1.0
  Sb  Sb4  1  0.0  0.0  0.0  1.0
  Sb  Sb5  1  0.12  0.97  0.12  1.0

Sn Sn Sn Sn Sb Sb