data_[Na6Sc3Ag3F18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sc  1.3600  1.6000  0.8850
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8258]
_cell_length_b [5.8258]
_cell_length_c [15.3958]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Na2ScAgF6]
_chemical_formula_sum '[Na6 Sc3 Ag3 F18]'
_cell_volume [452.5273]
_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
[
  Na  Na0  3  0.0000  0.0000  0.4707  1.0
  Na  Na1  3  0.0000  0.0000  0.9824  1.0
  Sc  Sc2  3  0.0000  0.0000  0.6789  1.0
  Ag  Ag3  3  0.0000  0.0000  0.1948  1.0
  F  F4  9  0.0110  0.7340  0.5928  1.0
  F  F5  9  0.0191  0.3761  0.4110  1.0
]