data_[K2Sn16Sb4]
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 [C2/m]
_cell_length_a [16.5638]
_cell_length_b [6.6362]
_cell_length_c [6.5575]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7013]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K(Sn4Sb)2]
_chemical_formula_sum '[K2 Sn16 Sb4]'
_cell_volume [682.7397]
_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
  Sn  Sn1  8  0.1180  0.2369  0.5563  1
  Sn  Sn2  4  0.0180  0.5000  0.7871  1
  Sn  Sn3  4  0.2104  0.5000  0.1342  1
  Sb  Sb4  4  0.2255  0.0000  0.2485  1
]