data_Ag2Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.14
_cell_length_b   4.14
_cell_length_c   4.44
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2Bi
_chemical_formula_sum   'Ag2 Bi1'
_cell_volume   76.17
_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
  Ag  Ag0  1  0.0  0.07  0.22  1.0
  Ag  Ag1  1  0.07  0.0  0.22  1.0
  Bi  Bi2  1  0.0  0.0  0.0  1.0

data_Ag2Bi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.86
_cell_length_b   5.86
_cell_length_c   4.44
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ag2Bi
_chemical_formula_sum   'Ag4 Bi2'
_cell_volume   152.33
_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
  Ag  Ag0  4  0.04  0.04  0.22  1.0
  Bi  Bi1  2  0.0  0.0  0.0  1.0

Ag Ag Bi
Ag Ag Bi 0 1 o o o 0 2 o o o 1 2 o o o 