data_[Hf4Al4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [5.7253]
_cell_length_b [4.1531]
_cell_length_c [8.4322]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [HfAlCu]
_chemical_formula_sum '[Hf4 Al4 Cu4]'
_cell_volume [200.5020]
_cell_formula_units_Z [4]
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  0.1491  0.7500  0.9199  1
  Al  Al1  4  0.1441  0.7500  0.5898  1
  Cu  Cu2  4  0.0576  0.7500  0.2739  1
]