data_[K2Tl4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.3480]
_cell_length_b [4.2828]
_cell_length_c [6.6209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.5871]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K(TlSb)2]
_chemical_formula_sum '[K2 Tl4 Sb4]'
_cell_volume [364.5793]
_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  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl1  4  0.1269  0.5000  0.5363  1.0
  Sb  Sb2  4  0.2407  0.5000  0.1555  1.0
]