data_FeSiBi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.45
_cell_length_b   7.45
_cell_length_c   7.45
_cell_angle_alpha   30.07
_cell_angle_beta   30.07
_cell_angle_gamma   30.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   FeSiBi2
_chemical_formula_sum   'Fe1 Si1 Bi2'
_cell_volume   91.81
_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
  Fe  Fe2  1  0.0  0.0  0.66  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.0  0.0  0.24  1.0
  Bi  Bi1  1  0.0  0.0  0.07  1.0

data_FeSiBi2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.69
_cell_length_b   3.86
_cell_length_c   7.45
_cell_angle_alpha   90.0
_cell_angle_beta   107.43
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   FeSiBi2
_chemical_formula_sum   'Fe2 Si2 Bi4'
_cell_volume   183.62
_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
  Fe  Fe0  2  0.0  0.0  0.34  1.0
  Si  Si1  2  0.0  0.0  0.0  1.0
  Bi  Bi2  2  0.0  0.0  0.76  1.0
  Bi  Bi3  2  0.0  0.0  0.93  1.0

Fe Si Bi Bi