data_[K13Na2]
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 [P-1]
_cell_length_a [9.1618]
_cell_length_b [11.2677]
_cell_length_c [11.3232]
_cell_angle_alpha [64.1982]
_cell_angle_beta [77.3989]
_cell_angle_gamma [83.1444]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K13Na2]
_chemical_formula_sum '[K13 Na2]'
_cell_volume [1026.6445]
_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  2  0.1394  0.4762  0.7598  1.0
  K  K1  2  0.1979  0.2122  0.1839  1.0
  K  K2  2  0.2572  0.9319  0.5880  1.0
  K  K3  2  0.3253  0.6644  0.9977  1.0
  K  K4  2  0.3580  0.4089  0.4073  1.0
  K  K5  2  0.4840  0.1324  0.7920  1.0
  K  K6  1  0.0000  0.0000  0.0000  1.0
  Na  Na7  2  0.0662  0.7595  0.3817  1.0
]