data_[Cs16Rb8Ta8O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [Fddd]
_cell_length_a [6.8513]
_cell_length_b [12.9174]
_cell_length_c [25.7873]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Cs2RbTaO4]
_chemical_formula_sum '[Cs16 Rb8 Ta8 O32]'
_cell_volume [2282.1876]
_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
[
  Cs  Cs0  16  0.0000  0.0000  0.2021  1
  Rb  Rb1  8  0.0000  0.0000  0.0000  1
  Ta  Ta2  8  0.0000  0.0000  0.5000  1
  O  O3  32  0.0844  0.1614  0.7126  1
]