data_[Rb2Tl2O2]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8552]
_cell_length_b [3.6955]
_cell_length_c [7.3670]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.7227]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTlO]
_chemical_formula_sum '[Rb2 Tl2 O2]'
_cell_volume [165.2068]
_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  0.1115  0.2500  0.7483  1.0
  Tl  Tl1  2  0.3888  0.7500  0.2786  1.0
  O  O2  2  0.2584  0.2500  0.4272  1.0
]