data_[Na2Cu2Ag4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  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 [5.6649]
_cell_length_b [5.8445]
_cell_length_c [9.8642]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4602]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaCuAg2F6]
_chemical_formula_sum '[Na2 Cu2 Ag4 F12]'
_cell_volume [269.2796]
_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  0.0000  1.0
  Cu  Cu1  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  4  0.2722  0.5517  0.7536  1.0
  F  F3  4  0.1111  0.5577  0.2259  1.0
  F  F4  4  0.2461  0.2242  0.0757  1.0
  F  F5  4  0.3246  0.6790  0.0473  1.0
]