data_[Cr2Ag6Cl2O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [7.4756]
_cell_length_b [7.4756]
_cell_length_c [5.3707]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [CrAg3ClO4]
_chemical_formula_sum '[Cr2 Ag6 Cl2 O8]'
_cell_volume [300.1420]
_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  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.2500  0.2500  0.5000  1.0
  Ag  Ag2  2  0.0000  0.5000  0.1039  1.0
  Cl  Cl3  2  0.0000  0.5000  0.6276  1.0
  O  O4  8  0.0000  0.1812  0.1863  1.0
]