data_[K10Rb10Tl4]
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 [21.1056]
_cell_length_b [6.0910]
_cell_length_c [14.7256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.5821]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K5Rb5Tl2]
_chemical_formula_sum '[K10 Rb10 Tl4]'
_cell_volume [1595.1229]
_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  0.0566  0.0000  0.7311  1
  Rb  Rb1  4  0.1500  0.5000  0.3655  1
  Rb  Rb2  4  0.1677  0.5000  0.0146  1
  K  K3  4  0.2336  0.5000  0.7213  1
  K  K4  2  0.0000  0.0000  0.0000  1
  Rb  Rb5  2  0.0000  0.5000  0.5000  1
  Tl  Tl6  4  0.1325  0.0000  0.5442  1
]