data_[Rb4Sn4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.7090]
_cell_length_b [6.3444]
_cell_length_c [8.9678]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.7891]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [RbSnF3]
_chemical_formula_sum '[Rb4 Sn4 F12]'
_cell_volume [463.2403]
_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  4  0.3682  0.2273  0.3286  1.0
  Sn  Sn1  4  0.1361  0.7495  0.9991  1.0
  F  F2  4  0.1817  0.6966  0.7638  1.0
  F  F3  4  0.3173  0.5198  0.0789  1.0
  F  F4  4  0.3183  0.5247  0.5431  1.0
]