data_[K10Sn8Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [13.6281]
_cell_length_b [13.6281]
_cell_length_c [5.1818]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [K5(SnSb)4]
_chemical_formula_sum '[K10 Sn8 Sb8]'
_cell_volume [962.4006]
_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  8  0.1391  0.2074  0.5000  1
  K  K1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  8  0.0644  0.5984  0.5000  1
  Sb  Sb3  8  0.0465  0.7373  0.0000  1
]