data_RbBiS2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.11
_cell_length_b   8.11
_cell_length_c   8.11
_cell_angle_alpha   29.95
_cell_angle_beta   29.95
_cell_angle_gamma   29.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbBiS2
_chemical_formula_sum   'Rb1 Bi1 S2'
_cell_volume   117.71
_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
  Rb  Rb0  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.0  0.0  0.61  1.0
  S  S2  1  0.0  0.0  0.79  1.0
  S  S3  1  0.0  0.0  0.43  1.0

data_RbBiS2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.26
_cell_length_b   4.19
_cell_length_c   8.11
_cell_angle_alpha   90.0
_cell_angle_beta   107.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   RbBiS2
_chemical_formula_sum   'Rb2 Bi2 S4'
_cell_volume   235.42
_cell_formula_units_Z   2
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
  Rb  Rb0  2  0.0  0.0  0.0  1.0
  Bi  Bi1  2  0.0  0.0  0.39  1.0
  S  S2  2  0.0  0.0  0.21  1.0
  S  S3  2  0.0  0.0  0.57  1.0

Rb Bi S S