data_[Rb4Ti2W2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ti  1.5400  1.4000  0.8517
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [5.3801]
_cell_length_b [5.3801]
_cell_length_c [11.3940]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Rb2TiWO6]
_chemical_formula_sum '[Rb4 Ti2 W2 O12]'
_cell_volume [329.8070]
_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  0.5000  0.2092  1.0
  Ti  Ti1  2  0.0000  0.0000  0.4626  1.0
  W  W2  2  0.0000  0.0000  0.9659  1.0
  O  O3  8  0.2457  0.2457  0.0071  1.0
  O  O4  2  0.0000  0.0000  0.3120  1.0
  O  O5  2  0.0000  0.0000  0.8084  1.0
]