data_[K8Rb10Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [23.5667]
_cell_length_b [4.6927]
_cell_length_c [13.8867]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.7184]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K4Rb5Tl]
_chemical_formula_sum '[K8 Rb10 Tl2]'
_cell_volume [1521.8584]
_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  0.0087  0.0000  0.1942  1
  K  K1  4  0.1550  0.5000  0.0484  1
  Rb  Rb2  4  0.1669  0.0000  0.7421  1
  Rb  Rb3  4  0.1741  0.0000  0.3871  1
  Rb  Rb4  2  0.0000  0.5000  0.5000  1
  Tl  Tl5  2  0.0000  0.5000  0.0000  1
]