data_[K4Na8Sn2]
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 [P2_1/m]
_cell_length_a [8.5463]
_cell_length_b [6.8646]
_cell_length_c [10.1633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.0421]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K2Na4Sn]
_chemical_formula_sum '[K4 Na8 Sn2]'
_cell_volume [593.9444]
_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  0.0685  0.7500  0.4008  1.0
  K  K1  2  0.1201  0.2500  0.9459  1.0
  Na  Na2  4  0.3880  0.5013  0.6622  1.0
  Na  Na3  2  0.2478  0.2500  0.3091  1.0
  Na  Na4  2  0.3657  0.7500  0.0149  1.0
  Sn  Sn5  2  0.1131  0.7500  0.7659  1.0
]