data_[K16Na4O2]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.0586]
_cell_length_b [8.1968]
_cell_length_c [10.6841]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7612]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K8Na2O]
_chemical_formula_sum '[K16 Na4 O2]'
_cell_volume [1184.9053]
_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  8  0.0522  0.2292  0.1839  1
  K  K1  4  0.1526  0.5000  0.5957  1
  K  K2  4  0.1819  0.0000  0.9680  1
  Na  Na3  4  0.1308  0.0000  0.5764  1
  O  O4  2  0.0000  0.0000  0.0000  1
]