data_[K4Ba2Tl2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ba  0.8900  2.1500  1.4900
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1599]
_cell_length_b [10.0280]
_cell_length_c [9.0855]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [K2BaTlSb2]
_chemical_formula_sum '[K4 Ba2 Tl2 Sb4]'
_cell_volume [470.1184]
_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  0.1707  0.3621  1.0
  K  K1  2  0.5000  0.0842  0.0348  1.0
  Ba  Ba2  2  0.0000  0.4489  0.9863  1.0
  Tl  Tl3  2  0.5000  0.3147  0.6434  1.0
  Sb  Sb4  2  0.0000  0.1686  0.7490  1.0
  Sb  Sb5  2  0.5000  0.3964  0.2700  1.0
]