data_[K4Na10Sn2]
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 [Cm]
_cell_length_a [11.9580]
_cell_length_b [7.0606]
_cell_length_c [8.9494]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.6438]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K2Na5Sn]
_chemical_formula_sum '[K4 Na10 Sn2]'
_cell_volume [669.3533]
_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  0.1981  0.5000  0.0524  1.0
  K  K1  2  0.2818  0.0000  0.8799  1.0
  Na  Na2  4  0.0544  0.2436  0.3460  1.0
  Na  Na3  4  0.4274  0.2721  0.6533  1.0
  Na  Na4  2  0.2804  0.0000  0.2916  1.0
  Sn  Sn5  2  0.4992  0.5000  0.0004  1.0
]