data_Ag2TePb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.72
_cell_length_b   6.72
_cell_length_c   6.72
_cell_angle_alpha   144.49
_cell_angle_beta   143.88
_cell_angle_gamma   51.55
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2TePb
_chemical_formula_sum   'Ag2 Te1 Pb1'
_cell_volume   103.32
_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  0.08  0.39  1.0
  Ag  Ag1  1  0.0  0.0  0.36  1.0
  Te  Te3  1  0.0  0.0  0.08  1.0
  Pb  Pb2  1  0.0  0.08  0.33  1.0

data_Ag2TePb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.1
_cell_length_b   4.17
_cell_length_c   6.72
_cell_angle_alpha   108.06
_cell_angle_beta   107.76
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2TePb
_chemical_formula_sum   'Ag2 Te1 Pb1'
_cell_volume   103.32
_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  0.36  0.36  1.0
  Ag  Ag1  1  0.92  0.3  0.3  1.0
  Te  Te2  1  0.0  0.08  0.08  1.0
  Pb  Pb3  1  0.92  0.25  0.25  1.0

Ag Ag Te Pb
Ag Ag Te Pb 0 1 o o o 0 3 o o o 2 3 o o o 