data_[Ag4Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [4.3038]
_cell_length_b [8.2591]
_cell_length_c [18.2867]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [AgCl]
_chemical_formula_sum '[Ag4 Cl4]'
_cell_volume [650.0062]
_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
[
  Ag  Ag0  2  0.6902  0.1991  0.5213  1
  Ag  Ag1  1  0.1018  0.5000  0.5036  1
  Ag  Ag2  1  0.2033  0.0000  0.4452  1
  Cl  Cl3  2  0.3465  0.2801  0.4142  1
  Cl  Cl4  1  0.6432  0.5000  0.5864  1
  Cl  Cl5  1  0.9906  0.0000  0.5939  1
]