data_[Na2Sr2Ag4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.9440]
_cell_length_b [5.9440]
_cell_length_c [10.0236]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [NaSrAg2F8]
_chemical_formula_sum '[Na2 Sr2 Ag4 F16]'
_cell_volume [354.1450]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.0000  1.0
  Sr  Sr1  2  0.0000  0.5000  0.7500  1.0
  Ag  Ag2  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag3  2  0.0000  0.5000  0.2500  1.0
  F  F4  8  0.1246  0.8179  0.2292  1.0
  F  F5  8  0.1318  0.3167  0.5224  1.0
]