data_[Mg6Zn18Au18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.8652]
_cell_length_b [6.8652]
_cell_length_c [18.3951]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Mg(ZnAu)3]
_chemical_formula_sum '[Mg6 Zn18 Au18]'
_cell_volume [750.8186]
_cell_formula_units_Z [6]
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
[
  Mg  Mg0  6  0.0000  0.0000  0.3360  1.0
  Zn  Zn1  18  0.0291  0.6110  0.8745  1.0
  Au  Au2  18  0.0110  0.7519  0.0633  1.0
]