data_[Ag24Se3F18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.2891]
_cell_length_b [9.2891]
_cell_length_c [10.4620]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ag8SeF6]
_chemical_formula_sum '[Ag24 Se3 F18]'
_cell_volume [781.8002]
_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  18  0.0178  0.7758  0.1370  1
  Ag  Ag1  6  0.0000  0.0000  0.3147  1
  Se  Se2  3  0.0000  0.0000  0.0000  1
  F  F3  18  0.0268  0.7747  0.6157  1
]