data_[K4Na2Cu2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.1078]
_cell_length_b [7.0108]
_cell_length_c [11.5747]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.8929]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2NaCuCl6]
_chemical_formula_sum '[K4 Na2 Cu2 Cl12]'
_cell_volume [552.4612]
_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  4  0.2593  0.5376  0.7646  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Cu  Cu2  2  0.0000  0.0000  0.5000  1.0
  Cl  Cl3  4  0.1300  0.0218  0.7248  1.0
  Cl  Cl4  4  0.1557  0.2324  0.0069  1.0
  Cl  Cl5  4  0.3559  0.7164  0.0605  1.0
]