data_[Rb8Bi4Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [13.3766]
_cell_length_b [13.3766]
_cell_length_c [5.1888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [Rb2BiRu]
_chemical_formula_sum '[Rb8 Bi4 Ru4]'
_cell_volume [928.4609]
_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  8  0.0064  0.2500  0.6250  1
  Bi  Bi1  4  0.0000  0.0000  0.0000  1
  Ru  Ru2  4  0.0000  0.0000  0.5000  1
]