data_[Na3Cu12Ag9Cl36]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [13.5266]
_cell_length_b [13.5266]
_cell_length_c [10.0369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [NaCu4(AgCl4)3]
_chemical_formula_sum '[Na3 Cu12 Ag9 Cl36]'
_cell_volume [1590.4145]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Cu  Cu1  9  0.0000  0.4248  0.5000  1
  Cu  Cu2  3  0.0000  0.0000  0.5000  1
  Ag  Ag3  9  0.0000  0.5631  0.0000  1
  Cl  Cl4  18  0.0435  0.2014  0.1850  1
  Cl  Cl5  9  0.0000  0.5880  0.5000  1
  Cl  Cl6  9  0.0000  0.8384  0.5000  1
]