data_[K9Na3Sn24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [6.2801]
_cell_length_b [6.2801]
_cell_length_c [33.2245]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [K3NaSn8]
_chemical_formula_sum '[K9 Na3 Sn24]'
_cell_volume [1134.8019]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0002  1.0
  K  K1  3  0.0000  0.0000  0.4995  1.0
  K  K2  3  0.0000  0.0000  0.6253  1.0
  Na  Na3  3  0.0000  0.0000  0.1258  1.0
  Sn  Sn4  9  0.0024  0.5012  0.0639  1.0
  Sn  Sn5  9  0.1678  0.3357  0.8942  1.0
  Sn  Sn6  3  0.0000  0.0000  0.3127  1.0
  Sn  Sn7  3  0.0000  0.0000  0.8123  1.0
]