data_SnHg2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.91
_cell_length_b   10.91
_cell_length_c   10.91
_cell_angle_alpha   18.57
_cell_angle_beta   18.57
_cell_angle_gamma   18.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SnHg2Cl
_chemical_formula_sum   'Sn1 Hg2 Cl1'
_cell_volume   115.01
_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  Sn3  1  0.0  0.0  0.36  1.0
  Hg  Hg1  1  0.0  0.0  0.08  1.0
  Hg  Hg2  1  0.0  0.0  0.13  1.0
  Cl  Cl0  1  0.0  0.0  0.65  1.0

data_SnHg2Cl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.1
_cell_length_b   3.52
_cell_length_c   10.91
_cell_angle_alpha   90.0
_cell_angle_beta   100.74
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SnHg2Cl
_chemical_formula_sum   'Sn2 Hg4 Cl2'
_cell_volume   230.02
_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
  Sn  Sn0  2  0.0  0.0  0.64  1.0
  Hg  Hg1  2  0.0  0.0  0.87  1.0
  Hg  Hg2  2  0.0  0.0  0.92  1.0
  Cl  Cl3  2  0.0  0.0  0.35  1.0

Sn Hg Hg Cl