data_[Rb8Mg2Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [7.1981]
_cell_length_b [7.1981]
_cell_length_c [14.3635]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [Rb4MgAu4]
_chemical_formula_sum '[Rb8 Mg2 Au8]'
_cell_volume [744.2182]
_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
[
  Rb  Rb0  8  0.2111  0.2111  0.3601  1
  Mg  Mg1  2  0.0000  0.0000  0.0000  1
  Au  Au2  8  0.2129  0.2129  0.1113  1
]