data_MgFeSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.74
_cell_length_b   6.72
_cell_length_c   2.99
_cell_angle_alpha   77.49
_cell_angle_beta   76.83
_cell_angle_gamma   25.68
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgFeSn
_chemical_formula_sum   'Mg1 Fe1 Sn1'
_cell_volume   57.23
_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  0.09  0.14  0.24  1.0
  Fe  Fe0  1  0.09  0.14  0.04  1.0
  Sn  Sn2  1  0.09  0.14  0.51  1.0

data_MgFeSn
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   2.99
_cell_length_b   12.78
_cell_length_c   2.99
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   MgFeSn
_chemical_formula_sum   'Mg2 Fe2 Sn2'
_cell_volume   114.5
_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+1/2, y+1/2, z+1/2'
  6  '-x+1/2, -y+1/2, z+1/2'
  7  '-x+1/2, y+1/2, z+1/2'
  8  'x+1/2, -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
  Mg  Mg0  2  0.0  0.0  0.62  1.0
  Fe  Fe1  2  0.0  0.0  0.81  1.0
  Sn  Sn2  2  0.0  0.0  0.35  1.0

Mg Fe Sn