data_[K6Tl2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [5.2061]
_cell_length_b [13.3598]
_cell_length_c [18.3560]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [K3TlO2]
_chemical_formula_sum '[K6 Tl2 O4]'
_cell_volume [1276.7076]
_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
[
  K  K0  4  0.0000  0.3226  0.4844  1
  K  K1  2  0.0000  0.0000  0.6023  1
  Tl  Tl2  2  0.0000  0.0000  0.4195  1
  O  O3  4  0.0000  0.1264  0.5045  1
]