data_Hg2PtCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.38
_cell_length_b   3.38
_cell_length_c   8.95
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   118.91
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2PtCl
_chemical_formula_sum   'Hg2 Pt1 Cl1'
_cell_volume   89.38
_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
  Hg  Hg1  1  0.72  0.0  0.02  1.0
  Hg  Hg2  1  0.0  0.0  0.46  1.0
  Pt  Pt3  1  0.72  0.0  0.37  1.0
  Cl  Cl0  1  0.0  0.0  0.57  1.0

data_Hg2PtCl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.38
_cell_length_b   5.91
_cell_length_c   8.95
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Hg2PtCl
_chemical_formula_sum   'Hg4 Pt2 Cl2'
_cell_volume   178.78
_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
  Hg  Hg0  2  0.0  0.0  0.46  1.0
  Hg  Hg1  2  0.22  0.5  0.02  1.0
  Pt  Pt2  2  0.22  0.5  0.37  1.0
  Cl  Cl3  2  0.0  0.0  0.57  1.0

Hg Hg Pt Cl