data_[Rb4Na12Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7278]
_cell_length_b [10.0299]
_cell_length_c [15.8194]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [RbNa3Au2]
_chemical_formula_sum '[Rb4 Na12 Au8]'
_cell_volume [750.1545]
_cell_formula_units_Z [4]
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  4  0.0000  0.5000  0.3618  1
  Na  Na1  8  0.0000  0.3120  0.1595  1
  Na  Na2  4  0.0000  0.1607  0.5000  1
  Au  Au3  4  0.0000  0.0000  0.3248  1
  Au  Au4  4  0.0000  0.1416  0.0000  1
]