data_[Al2Zn2Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.9941]
_cell_length_b [2.9056]
_cell_length_c [4.2301]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1209]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [AlZnCu2]
_chemical_formula_sum '[Al2 Zn2 Cu4]'
_cell_volume [104.4473]
_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
[
  Al  Al0  2  0.2430  0.5000  0.2227  1.0
  Zn  Zn1  2  0.0067  0.5000  0.5269  1.0
  Cu  Cu2  2  0.2543  0.0000  0.7332  1.0
  Cu  Cu3  2  0.4960  0.5000  0.0172  1.0
]