data_HgSb2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   3.99
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HgSb2Pt
_chemical_formula_sum   'Hg1 Sb2 Pt1'
_cell_volume   90.31
_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  Hg0  1  0.38  0.38  0.0  1.0
  Sb  Sb2  1  0.0  0.38  0.99  1.0
  Sb  Sb3  1  0.38  0.0  0.99  1.0
  Pt  Pt1  1  0.0  0.0  0.0  1.0

data_HgSb2Pt
_symmetry_space_group_name_H-M   Amm2
_cell_length_a   3.99
_cell_length_b   6.73
_cell_length_c   6.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   38
_chemical_formula_structural   HgSb2Pt
_chemical_formula_sum   'Hg2 Sb4 Pt2'
_cell_volume   180.62
_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, y, z'
  4  'x, -y, z'
  5  'x, y+1/2, z+1/2'
  6  '-x, -y+1/2, z+1/2'
  7  '-x, y+1/2, z+1/2'
  8  'x, -y+1/2, z+1/2'
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  0.38  1.0
  Sb  Sb1  4  0.0  0.19  0.19  1.0
  Pt  Pt2  2  0.0  0.0  0.0  1.0

Hg Sb Sb Pt
Hg Sb Sb Pt 0 1 o o - 0 2 o o - 1 3 o o + 2 3 o o + 