data_[Rb4Cu4Sn2Cl12]
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
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.8980]
_cell_length_b [7.5510]
_cell_length_c [7.8484]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.3772]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Cu2SnCl6]
_chemical_formula_sum '[Rb4 Cu4 Sn2 Cl12]'
_cell_volume [659.4385]
_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  0.2267  0.5000  0.2047  1.0
  Cu  Cu1  4  0.0458  0.0000  0.1997  1.0
  Sn  Sn2  2  0.0000  0.5000  0.5000  1.0
  Cl  Cl3  8  0.0503  0.2503  0.8055  1.0
  Cl  Cl4  4  0.2481  0.0000  0.3497  1.0
]