data_[Ag3N18F36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  N  3.0400  0.6500  0.6300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.0080]
_cell_length_b [7.0080]
_cell_length_c [20.5075]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ag(NF2)6]
_chemical_formula_sum '[Ag3 N18 F36]'
_cell_volume [872.2391]
_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
[
  Ag  Ag0  3  0.0000  0.0000  0.0000  1
  N  N1  18  0.0726  0.1452  0.2622  1
  F  F2  18  0.0735  0.5368  0.7215  1
  F  F3  18  0.0970  0.5485  0.8676  1
]