data_[Rb2Sb2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [6.5247]
_cell_length_b [4.7253]
_cell_length_c [8.7234]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.7624]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [RbSbF4]
_chemical_formula_sum '[Rb2 Sb2 F8]'
_cell_volume [249.7831]
_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  0.3163  0.8187  0.1982  1.0
  Sb  Sb1  2  0.1369  0.8225  0.6850  1.0
  F  F2  2  0.0252  0.3092  0.1491  1.0
  F  F3  2  0.1607  0.4018  0.7204  1.0
  F  F4  2  0.3719  0.7659  0.5803  1.0
  F  F5  2  0.4001  0.8846  0.8843  1.0
]