data_[Cs4Ba2Ta4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ba  0.8900  2.1500  1.4900
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.0866]
_cell_length_b [4.0866]
_cell_length_c [24.7707]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Cs2BaTa2O7]
_chemical_formula_sum '[Cs4 Ba2 Ta4 O14]'
_cell_volume [413.6694]
_cell_formula_units_Z [2]
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  4  0.0000  0.0000  0.1888  1.0
  Ba  Ba1  2  0.0000  0.0000  0.0000  1.0
  Ta  Ta2  4  0.0000  0.0000  0.4125  1.0
  O  O3  8  0.0000  0.5000  0.0815  1.0
  O  O4  4  0.0000  0.0000  0.3372  1.0
  O  O5  2  0.0000  0.0000  0.5000  1.0
]