data_[K2Rb2Tl2]
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 [P-1]
_cell_length_a [5.4500]
_cell_length_b [7.1962]
_cell_length_c [9.4786]
_cell_angle_alpha [81.5628]
_cell_angle_beta [89.2507]
_cell_angle_gamma [89.9021]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRbTl]
_chemical_formula_sum '[K2 Rb2 Tl2]'
_cell_volume [367.6877]
_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  0.2432  0.3011  0.8398  1.0
  K  K1  2  0.2552  0.1451  0.3419  1.0
  Tl  Tl2  2  0.2504  0.6018  0.4687  1.0
]