data_Sr2Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.91
_cell_length_b   4.91
_cell_length_c   9.27
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2Sb3
_chemical_formula_sum   'Sr2 Sb3'
_cell_volume   193.48
_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
  Sr  Sr3  1  0.45  0.42  0.64  1.0
  Sr  Sr4  1  0.0  0.83  0.62  1.0
  Sb  Sb0  1  0.0  0.0  0.0  1.0
  Sb  Sb1  1  0.45  0.42  0.16  1.0
  Sb  Sb2  1  0.0  0.83  0.11  1.0

data_Sr2Sb3
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.91
_cell_length_b   4.91
_cell_length_c   9.27
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2Sb3
_chemical_formula_sum   'Sr2 Sb3'
_cell_volume   193.48
_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
  Sr  Sr0  1  0.0  0.83  0.62  1.0
  Sr  Sr1  1  0.45  0.42  0.64  1.0
  Sb  Sb2  1  0.0  0.0  0.0  1.0
  Sb  Sb3  1  0.0  0.83  0.11  1.0
  Sb  Sb4  1  0.45  0.42  0.16  1.0

Sr Sr Sb Sb Sb