data_[Sr4Ag8O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4_1/a]
_cell_length_a [6.2536]
_cell_length_b [6.2536]
_cell_length_c [10.3325]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [88]
_chemical_formula_structural [Sr(AgO2)2]
_chemical_formula_sum '[Sr4 Ag8 O16]'
_cell_volume [404.0852]
_cell_formula_units_Z [4]
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
[
  Sr  Sr0  4  0.0000  0.0000  0.5000  1.0
  Ag  Ag1  8  0.0000  0.2500  0.1250  1.0
  O  O2  16  0.1463  0.2831  0.9495  1.0
]