data_[K4Na8Sn4Br20]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.5587]
_cell_length_b [18.8685]
_cell_length_c [15.2716]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [KNa2SnBr5]
_chemical_formula_sum '[K4 Na8 Sn4 Br20]'
_cell_volume [1313.6003]
_cell_formula_units_Z [4]
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  4  0.0000  0.2464  0.9721  1
  Na  Na1  4  0.0000  0.1387  0.7128  1
  Na  Na2  4  0.0000  0.1783  0.2340  1
  Sn  Sn3  4  0.0000  0.4922  0.4634  1
  Br  Br4  4  0.0000  0.0720  0.0494  1
  Br  Br5  4  0.0000  0.2712  0.6264  1
  Br  Br6  4  0.0000  0.3270  0.3334  1
  Br  Br7  4  0.0000  0.3871  0.8381  1
  Br  Br8  4  0.0000  0.4094  0.0944  1
]