data_[K2Sn10]
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
]
_symmetry_space_group_name_H-M [P-42_1m]
_cell_length_a [6.5193]
_cell_length_b [6.5193]
_cell_length_c [9.1373]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [113]
_chemical_formula_structural [KSn5]
_chemical_formula_sum '[K2 Sn10]'
_cell_volume [388.3456]
_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  0.5000  0.1932  1.0
  Sn  Sn1  4  0.1533  0.3467  0.8169  1.0
  Sn  Sn2  4  0.2432  0.2568  0.5051  1.0
  Sn  Sn3  2  0.0000  0.0000  0.0000  1.0
]