data_CaHf2Sb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.32
_cell_length_b   3.32
_cell_length_c   9.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CaHf2Sb
_chemical_formula_sum   'Ca1 Hf2 Sb1'
_cell_volume   102.56
_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
  Ca  Ca0  1  0.0  0.0  0.86  1.0
  Hf  Hf1  1  0.66  0.66  0.33  1.0
  Hf  Hf2  1  0.0  0.0  0.34  1.0
  Sb  Sb3  1  0.66  0.66  0.44  1.0

data_CaHf2Sb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.69
_cell_length_b   4.69
_cell_length_c   9.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CaHf2Sb
_chemical_formula_sum   'Ca2 Hf4 Sb2'
_cell_volume   205.11
_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
  Ca  Ca0  2  0.0  0.0  0.86  1.0
  Hf  Hf1  2  0.0  0.0  0.34  1.0
  Hf  Hf2  2  0.16  0.5  0.33  1.0
  Sb  Sb3  2  0.16  0.5  0.44  1.0

Ca Hf Hf Sb
Ca Hf Hf Sb 0 0 + o o 0 0 o + o 1 3 o o o 1 2 + + o 2 3 - - o 