data_K2Cu(Cl2O)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.69
_cell_length_b   6.69
_cell_length_c   6.69
_cell_angle_alpha   110.52
_cell_angle_beta   110.52
_cell_angle_gamma   107.4
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Cu(Cl2O)2
_chemical_formula_sum   'K2 Cu1 Cl4 O2'
_cell_volume   230.01
_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  0.81  0.98  1.0
  K  K1  1  0.81  0.0  0.98  1.0
  Cu  Cu2  1  0.0  0.0  0.0  1.0
  Cl  Cl3  1  0.2  0.8  0.96  1.0
  Cl  Cl4  1  0.8  0.2  0.96  1.0
  Cl  Cl5  1  0.61  0.61  0.0  1.0
  Cl  Cl6  1  0.2  0.2  0.96  1.0
  O  O7  1  0.0  0.0  0.57  1.0
  O  O8  1  0.0  0.0  0.34  1.0

data_K2Cu(Cl2O)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.92
_cell_length_b   10.78
_cell_length_c   6.69
_cell_angle_alpha   90.0
_cell_angle_beta   126.3
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   K2Cu(Cl2O)2
_chemical_formula_sum   'K4 Cu2 Cl8 O4'
_cell_volume   460.03
_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  4  0.09  0.09  0.02  1.0
  Cu  Cu1  2  0.0  0.0  0.0  1.0
  Cl  Cl2  4  0.0  0.2  0.04  1.0
  Cl  Cl3  2  0.3  0.5  0.04  1.0
  Cl  Cl4  2  0.39  0.0  0.0  1.0
  O  O5  2  0.0  0.0  0.43  1.0
  O  O6  2  0.0  0.0  0.66  1.0

K K Cu Cl Cl Cl Cl O O