data_[Rb6Ta9Ru3O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ta  1.5000  1.4500  0.8200
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.4597]
_cell_length_b [7.4597]
_cell_length_c [18.0125]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2Ta3RuO12]
_chemical_formula_sum '[Rb6 Ta9 Ru3 O36]'
_cell_volume [868.0514]
_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
[
  Rb  Rb0  6  0.0000  0.0000  0.3830  1.0
  Ta  Ta1  9  0.0000  0.5000  0.5000  1.0
  Ru  Ru2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0824  0.5412  0.8550  1.0
  O  O4  18  0.0926  0.5463  0.6062  1.0
]