data_[K2Na4P2]
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
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [5.3738]
_cell_length_b [5.3738]
_cell_length_c [8.6777]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [KNa2P]
_chemical_formula_sum '[K2 Na4 P2]'
_cell_volume [217.0180]
_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  2  0.0000  0.0000  0.2500  1
  Na  Na1  4  0.3333  0.6667  0.5746  1
  P  P2  2  0.3333  0.6667  0.2500  1
]