data_[Na2Ag2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.3109]
_cell_length_b [5.6046]
_cell_length_c [5.9801]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0311]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaAgF4]
_chemical_formula_sum '[Na2 Ag2 F8]'
_cell_volume [175.2775]
_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  0.5000  0.0000  0.5000  1.0
  Ag  Ag1  2  0.0000  0.0000  0.0000  1.0
  F  F2  4  0.1677  0.7110  0.1417  1.0
  F  F3  4  0.3028  0.1775  0.1496  1.0
]