data_[Rb4Cu2Sb2Cl12]
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
  Sb  2.0500  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [7.2363]
_cell_length_b [7.2363]
_cell_length_c [11.0364]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Rb2CuSbCl6]
_chemical_formula_sum '[Rb4 Cu2 Sb2 Cl12]'
_cell_volume [577.9042]
_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
[
  Rb  Rb0  4  0.0000  0.5000  0.2473  1
  Cu  Cu1  2  0.0000  0.0000  0.4696  1
  Sb  Sb2  2  0.0000  0.0000  0.0009  1
  Cl  Cl3  8  0.2383  0.2383  0.5034  1
  Cl  Cl4  2  0.0000  0.0000  0.2531  1
  Cl  Cl5  2  0.0000  0.0000  0.7681  1
]