data_[K4Rb8Cu4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.3536]
_cell_length_b [19.6315]
_cell_length_c [14.2865]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [KRb2CuCl5]
_chemical_formula_sum '[K4 Rb8 Cu4 Cl20]'
_cell_volume [1221.0383]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.1275  0.6884  1
  Rb  Rb1  4  0.0000  0.1389  0.3532  1
  K  K2  4  0.0000  0.1954  0.0544  1
  Cu  Cu3  4  0.0000  0.4422  0.3880  1
  Cl  Cl4  4  0.0000  0.0375  0.9466  1
  Cl  Cl5  4  0.0000  0.2948  0.7040  1
  Cl  Cl6  4  0.0000  0.3291  0.3942  1
  Cl  Cl7  4  0.0000  0.3510  0.0259  1
  Cl  Cl8  4  0.0000  0.4862  0.7693  1
]