data_[K4Rb2Tl4Te8]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.4769]
_cell_length_b [5.2733]
_cell_length_c [8.1513]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5167]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Rb(TlTe2)2]
_chemical_formula_sum '[K4 Rb2 Tl4 Te8]'
_cell_volume [757.3948]
_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  0.1351  0.0000  0.5626  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.1675  0.5000  0.9956  1.0
  Te  Te3  4  0.0236  0.5000  0.6890  1.0
  Te  Te4  4  0.2140  0.0000  0.2091  1.0
]