data_[Rb4La2Ti4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  La  1.1000  1.9500  1.1720
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.9628]
_cell_length_b [3.9628]
_cell_length_c [22.6174]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Rb2LaTi2O7]
_chemical_formula_sum '[Rb4 La2 Ti4 O14]'
_cell_volume [355.1825]
_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
[
  Rb  Rb0  4  0.0000  0.0000  0.1899  1.0
  La  La1  2  0.0000  0.0000  0.0000  1.0
  Ti  Ti2  4  0.0000  0.0000  0.4067  1.0
  O  O3  8  0.0000  0.5000  0.0785  1.0
  O  O4  4  0.0000  0.0000  0.3279  1.0
  O  O5  2  0.0000  0.0000  0.5000  1.0
]