data_[Ag2Cl2O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [3.8983]
_cell_length_b [6.0673]
_cell_length_c [8.2782]
_cell_angle_alpha [106.1041]
_cell_angle_beta [90.3959]
_cell_angle_gamma [92.0390]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [AgClO4]
_chemical_formula_sum '[Ag2 Cl2 O8]'
_cell_volume [187.9654]
_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
[
  Ag  Ag0  1  0.4133  0.8066  0.1480  1
  Ag  Ag1  1  0.9210  0.3308  0.8683  1
  Cl  Cl2  1  0.0566  0.9439  0.8221  1
  Cl  Cl3  1  0.9234  0.0535  0.2486  1
  O  O4  1  0.2513  0.7179  0.4201  1
  O  O5  1  0.2707  0.4274  0.1041  1
  O  O6  1  0.3332  0.5528  0.7836  1
  O  O7  1  0.4599  0.8231  0.5308  1
  O  O8  1  0.4606  0.1523  0.5648  1
  O  O9  1  0.5432  0.3058  0.0799  1
  O  O10  1  0.5980  0.6214  0.8849  1
  O  O11  1  0.7636  0.2291  0.5967  1
]