data_[K2Rb4Tl4Te8]
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 [18.2576]
_cell_length_b [5.5277]
_cell_length_c [7.9247]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0340]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb2(TlTe2)2]
_chemical_formula_sum '[K2 Rb4 Tl4 Te8]'
_cell_volume [764.6937]
_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  4  0.1386  0.0000  0.5803  1
  K  K1  2  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.1642  0.5000  0.0038  1
  Te  Te3  4  0.0183  0.5000  0.6950  1
  Te  Te4  4  0.2069  0.0000  0.1868  1
]