data_[Ag16Se8O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [5.9811]
_cell_length_b [11.5115]
_cell_length_c [12.8205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Ag2SeO4]
_chemical_formula_sum '[Ag16 Se8 O32]'
_cell_volume [882.7184]
_cell_formula_units_Z [8]
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  16  0.0000  0.1997  0.0000  1.0
  Se  Se1  8  0.0000  0.0000  0.5000  1.0
  O  O2  32  0.0914  0.1619  0.8254  1.0
]