data_[Na4Y4Ag4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.8577]
_cell_length_b [13.1053]
_cell_length_c [9.8334]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8877]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaYAgCl5]
_chemical_formula_sum '[Na4 Y4 Ag4 Cl20]'
_cell_volume [952.2294]
_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  0.4254  0.7500  1
  Y  Y1  4  0.0000  0.0000  0.0000  1
  Ag  Ag2  4  0.0000  0.2862  0.2500  1
  Cl  Cl3  8  0.1699  0.1659  0.1308  1
  Cl  Cl4  8  0.1725  0.4205  0.4514  1
  Cl  Cl5  4  0.0000  0.0809  0.7500  1
]