data_Tl2AsPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.41
_cell_length_b   5.03
_cell_length_c   6.66
_cell_angle_alpha   90.0
_cell_angle_beta   98.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl2AsPb
_chemical_formula_sum   'Tl2 As1 Pb1'
_cell_volume   112.82
_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
  Tl  Tl2  1  0.19  0.51  0.05  1.0
  Tl  Tl3  1  0.22  0.51  0.54  1.0
  As  As0  1  0.0  0.0  0.0  1.0
  Pb  Pb1  1  0.5  0.0  0.29  1.0

data_Tl2AsPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.41
_cell_length_b   5.03
_cell_length_c   6.66
_cell_angle_alpha   90.0
_cell_angle_beta   98.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl2AsPb
_chemical_formula_sum   'Tl2 As1 Pb1'
_cell_volume   112.82
_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
  Tl  Tl0  1  0.19  0.51  0.05  1.0
  Tl  Tl1  1  0.22  0.51  0.54  1.0
  As  As2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.5  0.0  0.29  1.0

Tl Tl As Pb