data_[Hf4Cu4Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.6144]
_cell_length_b [6.6144]
_cell_length_c [4.0712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Hf2Cu2Sb]
_chemical_formula_sum '[Hf4 Cu4 Sb2]'
_cell_volume [178.1152]
_cell_formula_units_Z [2]
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  4  0.1643  0.3357  0.5000  1.0
  Cu  Cu1  4  0.1264  0.6264  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.0000  1.0
]