data_[Rb4Li2W4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.9795]
_cell_length_b [3.9795]
_cell_length_c [22.4360]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Rb2LiW2O7]
_chemical_formula_sum '[Rb4 Li2 W4 O14]'
_cell_volume [355.3141]
_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  0.1896  1
  Li  Li1  2  0.0000  0.0000  0.0000  1
  W  W2  4  0.0000  0.0000  0.4115  1
  O  O3  8  0.0000  0.5000  0.0841  1
  O  O4  4  0.0000  0.0000  0.3280  1
  O  O5  2  0.0000  0.0000  0.5000  1
]