data_[Ba6Si6F6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Si  1.9000  1.1000  0.5400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.2230]
_cell_length_b [4.2230]
_cell_length_c [27.6015]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [BaSiF]
_chemical_formula_sum '[Ba6 Si6 F6]'
_cell_volume [426.2897]
_cell_formula_units_Z [6]
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
[
  Ba  Ba0  6  0.0000  0.0000  0.0977  1.0
  Si  Si1  6  0.0000  0.0000  0.3478  1.0
  F  F2  6  0.0000  0.0000  0.1977  1.0
]