data_[Rb8Ta8O24]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.7219]
_cell_length_b [8.5938]
_cell_length_c [8.2724]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7368]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbTaO3]
_chemical_formula_sum '[Rb8 Ta8 O24]'
_cell_volume [688.7844]
_cell_formula_units_Z [8]
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  0.2354  0.5000  1.0
  Rb  Rb1  4  0.1638  0.5000  0.2382  1.0
  Ta  Ta2  4  0.0000  0.1893  0.0000  1.0
  Ta  Ta3  4  0.2404  0.5000  0.8048  1.0
  O  O4  8  0.1139  0.3400  0.8980  1.0
  O  O5  8  0.1190  0.1671  0.2103  1.0
  O  O6  4  0.1224  0.0000  0.9477  1.0
  O  O7  4  0.1707  0.5000  0.5919  1.0
]