data_MgHgPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.27
_cell_length_b   5.27
_cell_length_c   5.27
_cell_angle_alpha   146.71
_cell_angle_beta   136.91
_cell_angle_gamma   55.51
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgHgPt
_chemical_formula_sum   'Mg1 Hg1 Pt1'
_cell_volume   54.43
_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
  Mg  Mg1  1  0.0  0.0  0.37  1.0
  Hg  Hg0  1  0.0  0.0  0.32  1.0
  Pt  Pt2  1  0.0  0.0  0.96  1.0

data_MgHgPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.02
_cell_length_b   3.87
_cell_length_c   5.27
_cell_angle_alpha   111.54
_cell_angle_beta   106.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgHgPt
_chemical_formula_sum   'Mg1 Hg1 Pt1'
_cell_volume   54.43
_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
  Mg  Mg0  1  0.0  0.37  0.37  1.0
  Hg  Hg1  1  0.0  0.32  0.32  1.0
  Pt  Pt2  1  0.0  0.96  0.96  1.0

Mg Hg Pt