data_Sb2AsPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.13
_cell_length_b   6.13
_cell_length_c   5.68
_cell_angle_alpha   113.56
_cell_angle_beta   113.56
_cell_angle_gamma   35.11
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sb2AsPb
_chemical_formula_sum   'Sb2 As1 Pb1'
_cell_volume   111.71
_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
  Sb  Sb2  1  0.26  0.0  0.74  1.0
  Sb  Sb3  1  0.98  0.0  0.73  1.0
  As  As0  1  0.66  0.0  0.03  1.0
  Pb  Pb1  1  0.39  0.0  0.4  1.0

data_Sb2AsPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.7
_cell_length_b   5.68
_cell_length_c   6.13
_cell_angle_alpha   113.56
_cell_angle_beta   107.56
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sb2AsPb
_chemical_formula_sum   'Sb2 As1 Pb1'
_cell_volume   111.71
_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
  Sb  Sb0  1  0.0  0.73  0.98  1.0
  Sb  Sb1  1  0.0  0.74  0.26  1.0
  As  As2  1  0.0  0.03  0.66  1.0
  Pb  Pb3  1  0.0  0.4  0.39  1.0

Sb Sb As Pb