data_Si2SbAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.38
_cell_length_b   3.72
_cell_length_c   5.41
_cell_angle_alpha   90.0
_cell_angle_beta   102.6
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2SbAs
_chemical_formula_sum   'Si2 Sb1 As1'
_cell_volume   86.07
_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  0.13  0.0  0.73  1.0
  Si  Si3  1  0.29  0.86  0.35  1.0
  Sb  Sb1  1  0.07  0.86  0.2  1.0
  As  As0  1  0.52  0.0  0.92  1.0

data_Si2SbAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.72
_cell_length_b   4.38
_cell_length_c   5.41
_cell_angle_alpha   102.6
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2SbAs
_chemical_formula_sum   'Si2 Sb1 As1'
_cell_volume   86.07
_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  0.87  0.27  1.0
  Si  Si1  1  0.14  0.71  0.65  1.0
  Sb  Sb2  1  0.14  0.93  0.8  1.0
  As  As3  1  0.0  0.48  0.08  1.0

Si Si Sb As