data_KO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.4
_cell_length_b   4.4
_cell_length_c   4.4
_cell_angle_alpha   126.41
_cell_angle_beta   126.41
_cell_angle_gamma   79.21
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KO2
_chemical_formula_sum   'K1 O2'
_cell_volume   53.24
_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  1  0.0  0.0  0.0  1.0
  O  O1  1  0.0  0.0  0.06  1.0
  O  O2  1  0.0  0.0  0.71  1.0

data_KO2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.61
_cell_length_b   5.61
_cell_length_c   4.4
_cell_angle_alpha   90.0
_cell_angle_beta   129.61
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   KO2
_chemical_formula_sum   'K2 O4'
_cell_volume   106.48
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.0  0.0  0.0  1.0
  O  O1  2  0.0  0.0  0.06  1.0
  O  O2  2  0.0  0.0  0.71  1.0

K O O
K O O 0 1 o o o 0 2 o o - 