data_[K4Yb8Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Yb  1.1000  1.7500  1.0840
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.6530]
_cell_length_b [7.6530]
_cell_length_c [13.7138]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [KYb2Cl5]
_chemical_formula_sum '[K4 Yb8 Cl20]'
_cell_volume [803.2064]
_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  0.0000  0.2500  1
  Yb  Yb1  8  0.1587  0.3413  0.0000  1
  Cl  Cl2  16  0.1484  0.3516  0.3751  1
  Cl  Cl3  4  0.0000  0.0000  0.0000  1
]