data_SrBiS2F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.07
_cell_length_b   4.07
_cell_length_c   14.25
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBiS2F
_chemical_formula_sum   'Sr2 Bi2 S4 F2'
_cell_volume   235.53
_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
  Sr  Sr0  1  0.0  0.03  0.79  1.0
  Sr  Sr1  1  0.03  0.0  0.47  1.0
  Bi  Bi2  1  0.0  0.03  0.23  1.0
  Bi  Bi3  1  0.03  0.0  0.02  1.0
  S  S4  1  0.0  0.03  0.71  1.0
  S  S5  1  0.03  0.0  0.54  1.0
  S  S6  1  0.0  0.03  0.72  1.0
  S  S7  1  0.03  0.0  0.53  1.0
  F  F8  1  0.0  0.0  0.0  1.0
  F  F9  1  0.03  0.03  0.0  1.0

data_SrBiS2F
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.75
_cell_length_b   5.75
_cell_length_c   14.25
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SrBiS2F
_chemical_formula_sum   'Sr4 Bi4 S8 F4'
_cell_volume   471.06
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.79  1.0
  Sr  Sr1  2  0.03  0.0  0.47  1.0
  Bi  Bi2  2  0.0  0.0  0.23  1.0
  Bi  Bi3  2  0.03  0.0  0.02  1.0
  S  S4  2  0.0  0.0  0.71  1.0
  S  S5  2  0.0  0.0  0.72  1.0
  S  S6  2  0.03  0.0  0.53  1.0
  S  S7  2  0.03  0.0  0.54  1.0
  F  F8  4  0.02  0.02  0.0  1.0

Sr Sr Bi Bi S S S S F F