data_[K12Na10]
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 [C2/m]
_cell_length_a [13.1769]
_cell_length_b [15.0967]
_cell_length_c [6.9890]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.3409]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K6Na5]
_chemical_formula_sum '[K12 Na10]'
_cell_volume [1234.9882]
_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  0.1912  0.1620  0.1920  1.0
  K  K1  4  0.1889  0.0000  0.6923  1.0
  Na  Na2  4  0.0000  0.2455  0.5000  1.0
  Na  Na3  4  0.0000  0.3787  0.0000  1.0
  Na  Na4  2  0.0000  0.5000  0.5000  1.0
]