data_[K3Na6Ti3F18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ti  1.5400  1.4000  0.8517
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8416]
_cell_length_b [5.8416]
_cell_length_c [15.6919]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [KNa2TiF6]
_chemical_formula_sum '[K3 Na6 Ti3 F18]'
_cell_volume [463.7331]
_cell_formula_units_Z [3]
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
[
  K  K0  3  0.0000  0.0000  0.8057  1.0
  Na  Na1  3  0.0000  0.0000  0.0141  1.0
  Na  Na2  3  0.0000  0.0000  0.5278  1.0
  Ti  Ti3  3  0.0000  0.0000  0.3234  1.0
  F  F4  9  0.0345  0.3658  0.9254  1.0
  F  F5  9  0.0860  0.6956  0.0711  1.0
]