data_[Na4Al4P4O16F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.5089]
_cell_length_b [8.3128]
_cell_length_c [6.9941]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.6988]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAlPO4F]
_chemical_formula_sum '[Na4 Al4 P4 O16 F4]'
_cell_volume [341.0018]
_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
[
  Na  Na0  4  0.0000  0.3320  0.7500  1.0
  Al  Al1  4  0.0000  0.0000  0.0000  1.0
  P  P2  4  0.0000  0.3170  0.2500  1.0
  O  O3  8  0.0922  0.2095  0.1211  1.0
  O  O4  8  0.1918  0.4300  0.3996  1.0
  F  F5  4  0.0000  0.0695  0.7500  1.0
]