data_[Rb2Tl2W2Se8]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.3927]
_cell_length_b [7.3220]
_cell_length_c [10.0292]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6049]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTlWSe4]
_chemical_formula_sum '[Rb2 Tl2 W2 Se8]'
_cell_volume [520.2319]
_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  0.2196  0.7500  0.5262  1.0
  Tl  Tl1  2  0.2516  0.7500  0.0495  1.0
  W  W2  2  0.1853  0.2500  0.2742  1.0
  Se  Se3  4  0.0109  0.0061  0.7959  1.0
  Se  Se4  2  0.3145  0.2500  0.5159  1.0
  Se  Se5  2  0.4156  0.2500  0.1575  1.0
]