data_[Rb2Na2Sn2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.2599]
_cell_length_b [7.9174]
_cell_length_c [8.8600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0426]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbNaSnCl4]
_chemical_formula_sum '[Rb2 Na2 Sn2 Cl8]'
_cell_volume [550.9230]
_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  2  0.2058  0.7500  0.0122  1.0
  Na  Na1  2  0.3048  0.2500  0.3333  1.0
  Sn  Sn2  2  0.1895  0.7500  0.4872  1.0
  Cl  Cl3  4  0.0665  0.0020  0.2679  1.0
  Cl  Cl4  2  0.4408  0.7500  0.7879  1.0
  Cl  Cl5  2  0.4484  0.7500  0.3842  1.0
]