data_[Rb12Hf6Ta6O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hf  1.3000  1.5500  0.8500
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.0904]
_cell_length_b [6.0904]
_cell_length_c [29.7263]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2HfTaO6]
_chemical_formula_sum '[Rb12 Hf6 Ta6 O36]'
_cell_volume [954.9241]
_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
[
  Rb  Rb0  6  0.0000  0.0000  0.1306  1
  Rb  Rb1  6  0.0000  0.0000  0.2797  1
  Hf  Hf2  6  0.0000  0.0000  0.4014  1
  Ta  Ta3  3  -0.0000  -0.0000  0.5000  1
  Ta  Ta4  3  0.0000  0.0000  0.0000  1
  O  O5  18  0.0134  0.5067  0.7045  1
  O  O6  18  0.0491  0.5246  0.1223  1
]