data_Ag2GePb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.8
_cell_length_b   9.8
_cell_length_c   9.8
_cell_angle_alpha   19.12
_cell_angle_beta   19.12
_cell_angle_gamma   19.12
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2GePb
_chemical_formula_sum   'Ag2 Ge1 Pb1'
_cell_volume   88.2
_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  0.0  0.23  1.0
  Ag  Ag1  1  0.0  0.0  0.65  1.0
  Ge  Ge2  1  0.0  0.0  0.13  1.0
  Pb  Pb3  1  0.0  0.0  0.27  1.0

data_Ag2GePb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.64
_cell_length_b   3.25
_cell_length_c   9.8
_cell_angle_alpha   90.0
_cell_angle_beta   101.06
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ag2GePb
_chemical_formula_sum   'Ag4 Ge2 Pb2'
_cell_volume   176.4
_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  2  0.0  0.0  0.35  1.0
  Ag  Ag1  2  0.0  0.0  0.77  1.0
  Ge  Ge2  2  0.0  0.0  0.87  1.0
  Pb  Pb3  2  0.0  0.0  0.73  1.0

Ag Ag Ge Pb
Ag Ag Ge Pb 0 3 o o o 0 2 o o o 1 1 o + - 1 1 + - o 1 1 + o - 1 3 o o o 