data_SnHgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.87
_cell_length_b   5.87
_cell_length_c   5.87
_cell_angle_alpha   145.92
_cell_angle_beta   131.55
_cell_angle_gamma   60.55
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SnHgPb
_chemical_formula_sum   'Sn1 Hg1 Pb1'
_cell_volume   84.07
_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
  Sn  Sn2  1  0.0  0.0  0.76  1.0
  Hg  Hg0  1  0.0  0.0  0.01  1.0
  Pb  Pb1  1  0.0  0.0  0.37  1.0

data_SnHgPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.44
_cell_length_b   4.82
_cell_length_c   5.87
_cell_angle_alpha   114.22
_cell_angle_beta   107.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SnHgPb
_chemical_formula_sum   'Sn1 Hg1 Pb1'
_cell_volume   84.07
_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
  Sn  Sn0  1  0.24  0.24  0.24  1.0
  Hg  Hg1  1  0.99  0.99  0.99  1.0
  Pb  Pb2  1  0.63  0.63  0.63  1.0

Sn Hg Pb