data_SN
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.8
_cell_length_b   4.44
_cell_length_c   4.62
_cell_angle_alpha   100.0
_cell_angle_beta   93.17
_cell_angle_gamma   91.08
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SN
_chemical_formula_sum   'S2 N2'
_cell_volume   76.45
_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
  S  S0  1  0.25  0.36  0.41  1.0
  S  S1  1  0.21  0.27  0.13  1.0
  N  N2  1  0.67  0.54  0.6  1.0
  N  N3  1  0.78  0.09  0.94  1.0

data_SN
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.8
_cell_length_b   4.44
_cell_length_c   4.62
_cell_angle_alpha   100.0
_cell_angle_beta   93.17
_cell_angle_gamma   91.08
_symmetry_Int_Tables_number   2
_chemical_formula_structural   SN
_chemical_formula_sum   'S2 N2'
_cell_volume   76.45
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  S  S0  2  0.02  0.04  0.14  1.0
  N  N1  2  0.45  0.23  0.33  1.0

S S N N