data_[K11Na3]
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
]
_symmetry_space_group_name_H-M [P31m]
_cell_length_a [11.4736]
_cell_length_b [11.4736]
_cell_length_c [22.0995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [157]
_chemical_formula_structural [K11Na3]
_chemical_formula_sum '[K11 Na3]'
_cell_volume [2519.4984]
_cell_formula_units_Z [1]
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  6  0.2051  0.4146  0.4543  1
  K  K1  3  0.0000  0.7770  0.6355  1
  K  K2  2  0.3333  0.6667  0.6291  1
  Na  Na3  2  0.3333  0.6667  0.3143  1
  Na  Na4  1  0.0000  0.0000  0.4809  1
]