data_HfZrSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.26
_cell_length_b   7.22
_cell_length_c   3.16
_cell_angle_alpha   78.24
_cell_angle_beta   76.59
_cell_angle_gamma   25.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfZrSn
_chemical_formula_sum   'Hf1 Zr1 Sn1'
_cell_volume   68.44
_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  0.15  0.31  0.75  1.0
  Zr  Zr2  1  0.15  0.31  0.63  1.0
  Sn  Sn1  1  0.15  0.31  0.17  1.0

data_HfZrSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.31
_cell_length_b   13.78
_cell_length_c   3.16
_cell_angle_alpha   90.0
_cell_angle_beta   133.07
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   HfZrSn
_chemical_formula_sum   'Hf2 Zr2 Sn2'
_cell_volume   136.87
_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+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.15  0.0  0.91  1.0
  Zr  Zr1  2  0.15  0.0  0.78  1.0
  Sn  Sn2  2  0.15  0.0  0.33  1.0

Hf Zr Sn
Hf Zr Sn 0 1 o o o 0 2 o o + 1 2 o o o 