data_Ag2SnPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.02
_cell_length_b   6.02
_cell_length_c   6.02
_cell_angle_alpha   145.33
_cell_angle_beta   130.24
_cell_angle_gamma   62.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2SnPb
_chemical_formula_sum   'Ag2 Sn1 Pb1'
_cell_volume   93.92
_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  0.8  0.0  0.1  1.0
  Ag  Ag1  1  0.0  0.0  0.39  1.0
  Sn  Sn3  1  0.0  0.0  0.93  1.0
  Pb  Pb2  1  0.8  0.0  0.07  1.0

data_Ag2SnPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.59
_cell_length_b   5.07
_cell_length_c   6.02
_cell_angle_alpha   114.88
_cell_angle_beta   107.34
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2SnPb
_chemical_formula_sum   'Ag2 Sn1 Pb1'
_cell_volume   93.92
_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  0.61  0.61  0.61  1.0
  Ag  Ag1  1  0.69  0.9  0.69  1.0
  Sn  Sn2  1  0.07  0.07  0.07  1.0
  Pb  Pb3  1  0.73  0.93  0.73  1.0

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