data_[K12Co2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3mc]
_cell_length_a [8.5916]
_cell_length_b [8.5916]
_cell_length_c [6.6471]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [K6CoO4]
_chemical_formula_sum '[K12 Co2 O8]'
_cell_volume [424.9276]
_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  6  0.0725  0.5362  0.6312  1
  K  K1  6  0.1455  0.2910  0.9643  1
  Co  Co2  2  0.3333  0.6667  0.2417  1
  O  O3  6  0.2012  0.4023  0.3428  1
  O  O4  2  0.3333  0.6667  0.9358  1
]