data_[K2Rb2Ti2O6]
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 [P2_1/m]
_cell_length_a [6.2527]
_cell_length_b [5.5417]
_cell_length_c [6.4227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0517]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KRbTiO3]
_chemical_formula_sum '[K2 Rb2 Ti2 O6]'
_cell_volume [207.7002]
_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
[
  K  K0  2  0.0215  0.7500  0.6821  1.0
  Rb  Rb1  2  0.3054  0.2500  0.9901  1.0
  Ti  Ti2  2  0.4232  0.7500  0.4119  1.0
  O  O3  4  0.3545  0.0005  0.5973  1.0
  O  O4  2  0.1998  0.7500  0.1447  1.0
]