data_[Cr2Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [13.8014]
_cell_length_b [3.6068]
_cell_length_c [19.2755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CrAgCl4]
_chemical_formula_sum '[Cr2 Ag2 Cl8]'
_cell_volume [959.5172]
_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
[
  Cr  Cr0  2  0.3922  0.2500  0.0319  1
  Ag  Ag1  2  0.0927  0.7500  0.0306  1
  Cl  Cl2  2  0.0021  0.7500  0.9044  1
  Cl  Cl3  2  0.2354  0.2500  0.9987  1
  Cl  Cl4  2  0.3736  0.7500  0.1109  1
  Cl  Cl5  2  0.4304  0.7500  0.9473  1
]