data_[Hf2Zr4Cu8Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Zr  1.3300  1.5500  0.8600
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.9358]
_cell_length_b [6.3866]
_cell_length_c [13.0905]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [HfZr2(CuSi)4]
_chemical_formula_sum '[Hf2 Zr4 Cu8 Si8]'
_cell_volume [329.0492]
_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  2  0.0000  0.0000  0.0000  1
  Zr  Zr1  4  0.0000  0.5000  0.1240  1
  Cu  Cu2  8  0.0000  0.3081  0.3306  1
  Si  Si3  4  0.0000  0.0000  0.2148  1
  Si  Si4  4  0.0000  0.1931  0.5000  1
]