data_Ag2PtPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.05
_cell_length_b   5.05
_cell_length_c   5.05
_cell_angle_alpha   128.0
_cell_angle_beta   128.0
_cell_angle_gamma   76.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2PtPb
_chemical_formula_sum   'Ag2 Pt1 Pb1'
_cell_volume   77.65
_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  0.21  0.98  1.0
  Ag  Ag1  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.0  0.0  0.96  1.0
  Pb  Pb2  1  0.21  0.0  0.98  1.0

data_Ag2PtPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.43
_cell_length_b   4.43
_cell_length_c   5.05
_cell_angle_alpha   116.0
_cell_angle_beta   116.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2PtPb
_chemical_formula_sum   'Ag2 Pt1 Pb1'
_cell_volume   77.65
_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  0.0  1.0
  Ag  Ag1  1  0.23  0.21  0.23  1.0
  Pt  Pt2  1  0.04  0.0  0.04  1.0
  Pb  Pb3  1  0.02  0.0  0.23  1.0

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