data_[Rb8Cu4Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/c]
_cell_length_a [12.4451]
_cell_length_b [7.9695]
_cell_length_c [8.6307]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3844]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb2CuCl3]
_chemical_formula_sum '[Rb8 Cu4 Cl12]'
_cell_volume [779.6396]
_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  8  0.1585  0.3147  0.6698  1.0
  Cu  Cu1  4  0.0000  0.0990  0.2500  1.0
  Cl  Cl2  8  0.1554  0.0308  0.9481  1.0
  Cl  Cl3  4  0.0000  0.3850  0.2500  1.0
]