data_[Cs4Rb8Ta4O16]
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 [C2]
_cell_length_a [12.2419]
_cell_length_b [11.1827]
_cell_length_c [7.9818]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.3113]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [CsRb2TaO4]
_chemical_formula_sum '[Cs4 Rb8 Ta4 O16]'
_cell_volume [833.2239]
_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
[
  Cs  Cs0  2  0.0000  0.5028  0.5000  1.0
  Cs  Cs1  2  0.0000  0.5057  0.0000  1.0
  Rb  Rb2  4  0.1677  0.7993  0.4235  1.0
  Rb  Rb3  2  0.0000  0.0950  0.0000  1.0
  Rb  Rb4  2  0.0000  0.0990  0.5000  1.0
  Ta  Ta5  4  0.2315  0.8198  0.9831  1.0
  O  O6  4  0.0773  0.2693  0.8288  1.0
  O  O7  4  0.1008  0.6925  0.8493  1.0
  O  O8  4  0.2000  0.9146  0.7590  1.0
  O  O9  4  0.2000  0.9092  0.1477  1.0
]