data_[K4Rb4Ti4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.3639]
_cell_length_b [12.2310]
_cell_length_c [5.6001]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.0326]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KRbTiO3]
_chemical_formula_sum '[K4 Rb4 Ti4 O12]'
_cell_volume [431.6120]
_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
[
  Rb  Rb0  4  0.0000  0.2478  0.2500  1.0
  K  K1  4  0.0000  0.4127  0.7500  1.0
  Ti  Ti2  4  0.0000  0.0492  0.7500  1.0
  O  O3  8  0.1948  0.0256  0.4926  1.0
  O  O4  4  0.0000  0.1961  0.7500  1.0
]