data_[Rb4Na10Sn2]
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
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.4502]
_cell_length_b [7.3004]
_cell_length_c [8.8662]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.5167]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Rb2Na5Sn]
_chemical_formula_sum '[Rb4 Na10 Sn2]'
_cell_volume [714.6997]
_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  0.2197  0.5000  0.1279  1.0
  Rb  Rb1  2  0.2976  0.0000  0.9479  1.0
  Na  Na2  4  0.0714  0.2218  0.3459  1.0
  Na  Na3  4  0.4502  0.2547  0.6588  1.0
  Na  Na4  2  0.2230  0.5000  0.6974  1.0
  Sn  Sn5  2  0.4935  0.5000  0.9946  1.0
]