data_[K6O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P3]
_cell_length_a [7.0890]
_cell_length_b [7.0890]
_cell_length_c [4.3641]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [143]
_chemical_formula_structural [K2O]
_chemical_formula_sum '[K6 O3]'
_cell_volume [189.9298]
_cell_formula_units_Z [3]
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  3  0.0738  0.7334  0.9206  1.0
  K  K1  3  0.3968  0.0705  0.4271  1.0
  O  O2  1  0.0000  0.0000  0.5113  1.0
  O  O3  1  0.3333  0.6667  0.4148  1.0
  O  O4  1  0.6667  0.3333  0.9256  1.0
]