data_[K9Na7]
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 [P6mm]
_cell_length_a [10.6016]
_cell_length_b [10.6016]
_cell_length_c [21.7026]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [183]
_chemical_formula_structural [K9Na7]
_chemical_formula_sum '[K9 Na7]'
_cell_volume [2112.4525]
_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  0.2040  0.4080  0.3447  1
  K  K1  3  0.0000  0.5000  0.5133  1
  Na  Na2  6  0.2132  0.4263  0.6536  1
  Na  Na3  1  0.0000  0.0000  0.4704  1
]