data_[Rb8La4Tl4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  La  1.1000  1.9500  1.1720
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2482]
_cell_length_b [10.8792]
_cell_length_c [7.5108]
_cell_angle_alpha [90.0000]
_cell_angle_beta [132.9571]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb2LaTlO4]
_chemical_formula_sum '[Rb8 La4 Tl4 O16]'
_cell_volume [612.8604]
_cell_formula_units_Z [4]
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  0.0000  1.0
  Rb  Rb1  4  0.2500  0.2500  0.0000  1.0
  La  La2  4  0.2500  0.2500  0.5000  1.0
  Tl  Tl3  4  0.0000  0.0000  0.0000  1.0
  O  O4  8  0.0098  0.2388  0.0573  1.0
  O  O5  8  0.2047  0.0136  0.4898  1.0
]