data_[Cd12Se8F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cd  1.6900  1.5500  1.0900
  Se  2.5500  1.1500  1.0133
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I2_13]
_cell_length_a [8.3679]
_cell_length_b [8.3679]
_cell_length_c [8.3679]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [199]
_chemical_formula_structural [Cd3(SeF)2]
_chemical_formula_sum '[Cd12 Se8 F8]'
_cell_volume [585.9357]
_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
[
  Cd  Cd0  12  0.0000  0.2500  0.3920  1
  Se  Se1  8  0.2125  0.2875  0.7125  1
  F  F2  8  0.0147  0.0147  0.0147  1
]