data_[K4Tl2B2O6]
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
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.8280]
_cell_length_b [6.7331]
_cell_length_c [6.0580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [K2TlBO3]
_chemical_formula_sum '[K4 Tl2 B2 O6]'
_cell_volume [237.7206]
_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  0.2652  0.4094  1
  Tl  Tl1  2  0.0000  0.0000  0.9440  1
  B  B2  2  0.0000  0.5000  0.8559  1
  O  O3  4  0.2068  0.5000  0.7356  1
  O  O4  2  0.0000  0.5000  0.0826  1
]