data_[K4Na4Zn2Sn4]
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
  Zn  1.6500  1.3500  0.8800
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.2497]
_cell_length_b [4.6483]
_cell_length_c [9.3229]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7214]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Na2ZnSn2]
_chemical_formula_sum '[K4 Na4 Zn2 Sn4]'
_cell_volume [488.4077]
_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  4  0.1482  0.5000  0.7985  1.0
  Na  Na1  4  0.1355  0.0000  0.4265  1.0
  Zn  Zn2  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn3  4  0.1261  0.5000  0.1774  1.0
]