data_[Bi4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.4985]
_cell_length_b [6.1954]
_cell_length_c [8.3295]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.3317]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [BiF5]
_chemical_formula_sum '[Bi4 F20]'
_cell_volume [439.3067]
_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
[
  Bi  Bi0  4  0.0000  0.5000  0.0000  1.0
  F  F1  8  0.0684  0.2056  0.9624  1.0
  F  F2  8  0.2244  0.4052  0.6392  1.0
  F  F3  4  0.0000  0.3947  0.2500  1.0
]