data_[Cs4Ni2Ag4Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5643]
_cell_length_b [7.1895]
_cell_length_c [6.0929]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.1248]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Ni(AgCl3)2]
_chemical_formula_sum '[Cs4 Ni2 Ag4 Cl12]'
_cell_volume [668.9825]
_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
[
  Cs  Cs0  4  0.2033  0.5000  0.2235  1
  Ni  Ni1  2  0.0000  0.5000  0.5000  1
  Ag  Ag2  4  0.0238  0.0000  0.2578  1
  Cl  Cl3  8  0.0743  0.2869  0.7138  1
  Cl  Cl4  4  0.1788  0.0000  0.2205  1
]