data_[Na2Ca2Ag4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ca  1.0000  1.8000  1.1400
  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 [5.6686]
_cell_length_b [6.1036]
_cell_length_c [10.4043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.1561]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaCaAg2F6]
_chemical_formula_sum '[Na2 Ca2 Ag4 F12]'
_cell_volume [304.7545]
_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  0.5000  1.0
  Ca  Ca1  2  0.5000  0.0000  0.0000  1.0
  Ag  Ag2  4  0.2529  0.0724  0.2763  1.0
  F  F3  4  0.1187  0.2101  0.9098  1.0
  F  F4  4  0.2227  0.7045  0.9145  1.0
  F  F5  4  0.4349  0.1003  0.7616  1.0
]