data_MgHgPt2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.02
_cell_length_b   4.7
_cell_length_c   4.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgHgPt2
_chemical_formula_sum   'Mg1 Hg1 Pt2'
_cell_volume   68.98
_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  0.85  1.0
  Hg  Hg0  1  0.0  0.35  0.75  1.0
  Pt  Pt2  1  0.51  0.35  0.32  1.0
  Pt  Pt3  1  0.51  0.0  0.38  1.0

data_MgHgPt2
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.7
_cell_length_b   3.02
_cell_length_c   4.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   MgHgPt2
_chemical_formula_sum   'Mg1 Hg1 Pt2'
_cell_volume   68.98
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  0.0  0.85  1.0
  Hg  Hg1  1  0.35  0.0  0.75  1.0
  Pt  Pt2  1  0.0  0.5  0.38  1.0
  Pt  Pt3  1  0.35  0.5  0.32  1.0

Mg Hg Pt Pt