data_Ag2AsPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.91
_cell_length_b   9.91
_cell_length_c   9.91
_cell_angle_alpha   18.73
_cell_angle_beta   18.73
_cell_angle_gamma   18.73
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2AsPb
_chemical_formula_sum   'Ag2 As1 Pb1'
_cell_volume   87.65
_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  0.94  1.0
  Ag  Ag1  1  0.0  0.0  0.27  1.0
  As  As2  1  0.0  0.0  0.92  1.0
  Pb  Pb3  1  0.0  0.0  0.87  1.0

data_Ag2AsPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.59
_cell_length_b   3.22
_cell_length_c   9.91
_cell_angle_alpha   90.0
_cell_angle_beta   100.83
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ag2AsPb
_chemical_formula_sum   'Ag4 As2 Pb2'
_cell_volume   175.29
_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  0.06  1.0
  Ag  Ag1  2  0.0  0.0  0.73  1.0
  As  As2  2  0.0  0.0  0.08  1.0
  Pb  Pb3  2  0.0  0.0  0.13  1.0

Ag Ag As Pb