data_Mg2MnPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.17
_cell_length_b   5.17
_cell_length_c   5.17
_cell_angle_alpha   139.81
_cell_angle_beta   130.03
_cell_angle_gamma   65.97
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2MnPt
_chemical_formula_sum   'Mg2 Mn1 Pt1'
_cell_volume   67.4
_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  0.0  0.54  1.0
  Mg  Mg1  1  0.78  0.0  0.23  1.0
  Mn  Mn2  1  0.0  0.0  0.5  1.0
  Pt  Pt3  1  0.0  0.18  0.09  1.0

data_Mg2MnPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.55
_cell_length_b   4.37
_cell_length_c   5.17
_cell_angle_alpha   114.98
_cell_angle_beta   110.09
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2MnPt
_chemical_formula_sum   'Mg2 Mn1 Pt1'
_cell_volume   67.4
_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  0.46  0.46  0.46  1.0
  Mg  Mg1  1  0.55  0.77  0.55  1.0
  Mn  Mn2  1  0.5  0.5  0.5  1.0
  Pt  Pt3  1  0.91  0.1  0.1  1.0

Mg Mg Mn Pt