data_Hf2MgPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.19
_cell_length_b   5.19
_cell_length_c   3.01
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   109.22
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hf2MgPt
_chemical_formula_sum   'Hf2 Mg1 Pt1'
_cell_volume   76.79
_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
  Hf  Hf0  1  0.5  0.88  0.51  1.0
  Hf  Hf1  1  0.5  0.12  0.51  1.0
  Mg  Mg2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.01  0.0  0.0  1.0

data_Hf2MgPt
_symmetry_space_group_name_H-M   P2/m
_cell_length_a   5.19
_cell_length_b   3.01
_cell_length_c   5.19
_cell_angle_alpha   90.0
_cell_angle_beta   109.22
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   10
_chemical_formula_structural   Hf2MgPt
_chemical_formula_sum   'Hf2 Mg1 Pt1'
_cell_volume   76.79
_cell_formula_units_Z   1
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'
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
  Hf  Hf0  2  0.5  0.5  0.12  1.0
  Mg  Mg1  1  0.0  0.0  0.0  1.0
  Pt  Pt2  1  0.0  0.0  0.0  1.0

Hf Hf Mg Pt