data_[Na4Cu8Ag4I24]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.3103]
_cell_length_b [14.1565]
_cell_length_c [7.7596]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.0560]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaCu2AgI6]
_chemical_formula_sum '[Na4 Cu8 Ag4 I24]'
_cell_volume [1558.7336]
_cell_formula_units_Z [4]
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  4  0.0000  0.1195  0.2500  1.0
  Cu  Cu1  8  0.1952  0.4234  0.2184  1.0
  Ag  Ag2  4  0.0000  0.2103  0.7500  1.0
  I  I3  8  0.1219  0.4488  0.4639  1.0
  I  I4  8  0.1238  0.0680  0.6724  1.0
  I  I5  8  0.1278  0.2527  0.1043  1.0
]