data_[K4Tl8Sb4]
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 [Cmcm]
_cell_length_a [4.9233]
_cell_length_b [12.4678]
_cell_length_c [9.2688]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [KTl2Sb]
_chemical_formula_sum '[K4 Tl8 Sb4]'
_cell_volume [568.9421]
_cell_formula_units_Z [4]
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  0.0000  0.0726  0.7500  1
  Tl  Tl1  8  0.0000  0.3644  0.5479  1
  Sb  Sb2  4  0.0000  0.2139  0.2500  1
]