data_[Rb2Tl2W2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6547]
_cell_length_b [6.4969]
_cell_length_c [8.3501]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.2335]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTlWO4]
_chemical_formula_sum '[Rb2 Tl2 W2 O8]'
_cell_volume [375.6402]
_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  2  0.4138  0.7500  0.6553  1.0
  Tl  Tl1  2  0.0099  0.2500  0.8494  1.0
  W  W2  2  0.1112  0.2500  0.3772  1.0
  O  O3  4  0.2393  0.0229  0.3515  1.0
  O  O4  2  0.1123  0.2500  0.5951  1.0
  O  O5  2  0.1326  0.7500  0.7947  1.0
]