data_[Al1Zn1Cu1Ru1]
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
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.1559]
_cell_length_b [4.0508]
_cell_length_c [4.2137]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [AlZnCuRu]
_chemical_formula_sum '[Al1 Zn1 Cu1 Ru1]'
_cell_volume [53.8676]
_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
[
  Al  Al0  1  0.5000  0.5000  0.0000  1.0
  Zn  Zn1  1  0.5000  0.0000  0.5000  1.0
  Cu  Cu2  1  0.0000  0.5000  0.5000  1.0
  Ru  Ru3  1  0.0000  0.0000  0.0000  1.0
]