data_KBiO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.52
_cell_length_b   5.52
_cell_length_c   6.0
_cell_angle_alpha   113.87
_cell_angle_beta   113.87
_cell_angle_gamma   90.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KBiO2
_chemical_formula_sum   'K2 Bi2 O4'
_cell_volume   149.9
_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  K2  1  0.32  0.01  0.69  1.0
  K  K3  1  0.04  0.99  0.23  1.0
  Bi  Bi0  1  0.32  0.94  0.69  1.0
  Bi  Bi1  1  0.04  0.06  0.23  1.0
  O  O4  1  0.03  0.47  0.56  1.0
  O  O5  1  0.62  0.47  0.82  1.0
  O  O6  1  0.75  0.53  0.1  1.0
  O  O7  1  0.34  0.53  0.36  1.0

data_KBiO2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.52
_cell_length_b   5.52
_cell_length_c   6.0
_cell_angle_alpha   113.87
_cell_angle_beta   113.87
_cell_angle_gamma   90.07
_symmetry_Int_Tables_number   2
_chemical_formula_structural   KBiO2
_chemical_formula_sum   'K2 Bi2 O4'
_cell_volume   149.9
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  0.14  0.01  0.23  1.0
  Bi  Bi1  2  0.14  0.94  0.23  1.0
  O  O2  2  0.15  0.53  0.9  1.0
  O  O3  2  0.44  0.47  0.36  1.0

K K Bi Bi O O O O