data_Si2SbCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.1
_cell_length_b   4.98
_cell_length_c   5.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2SbCl
_chemical_formula_sum   'Si2 Sb1 Cl1'
_cell_volume   82.47
_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  Si2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.55  0.49  0.0  1.0
  Sb  Sb1  1  0.0  0.49  0.67  1.0
  Cl  Cl0  1  0.55  0.0  0.67  1.0

data_Si2SbCl
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.1
_cell_length_b   4.98
_cell_length_c   5.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2SbCl
_chemical_formula_sum   'Si2 Sb1 Cl1'
_cell_volume   82.47
_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
  Si  Si1  1  0.55  0.49  0.0  1.0
  Sb  Sb2  1  0.0  0.49  0.67  1.0
  Cl  Cl3  1  0.55  0.0  0.67  1.0

Si Si Sb Cl
Si Si Sb Cl 0 1 - - o 0 1 - o o 0 1 o o o 0 3 - o - 0 3 o o - 0 2 o o - 1 2 o o - 1 2 + o - 1 3 o o - 2 3 - o o 2 3 - + o 2 3 o o o 