data_CoSiBi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.09
_cell_length_b   5.09
_cell_length_c   5.09
_cell_angle_alpha   124.88
_cell_angle_beta   124.88
_cell_angle_gamma   81.73
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CoSiBi2
_chemical_formula_sum   'Co1 Si1 Bi2'
_cell_volume   85.56
_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
  Co  Co2  1  0.0  0.0  0.85  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.36  0.0  0.93  1.0
  Bi  Bi1  1  0.0  0.36  0.93  1.0

data_CoSiBi2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.67
_cell_length_b   6.67
_cell_length_c   5.09
_cell_angle_alpha   90.0
_cell_angle_beta   130.87
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CoSiBi2
_chemical_formula_sum   'Co2 Si2 Bi4'
_cell_volume   171.13
_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
  Co  Co0  2  0.15  0.0  0.15  1.0
  Si  Si1  2  0.0  0.0  0.0  1.0
  Bi  Bi2  4  0.25  0.18  0.43  1.0

Co Si Bi Bi