data_[Zn18Cu3Ni24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.7527]
_cell_length_b [6.7527]
_cell_length_c [14.4792]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Zn6CuNi8]
_chemical_formula_sum '[Zn18 Cu3 Ni24]'
_cell_volume [571.7746]
_cell_formula_units_Z [3]
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
[
  Zn  Zn0  18  0.0257  0.7735  0.3960  1
  Cu  Cu1  3  0.0000  0.0000  0.0000  1
  Ni  Ni2  18  0.0217  0.7622  0.8858  1
  Ni  Ni3  6  0.0000  0.0000  0.2520  1
]