data_[Sr4Ag8O8]
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 [C2/c]
_cell_length_a [8.6306]
_cell_length_b [8.6296]
_cell_length_c [6.5813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.6263]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sr(AgO)2]
_chemical_formula_sum '[Sr4 Ag8 O8]'
_cell_volume [377.5356]
_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  0.1003  0.7500  1.0
  Ag  Ag1  4  0.0000  0.5000  0.0000  1.0
  Ag  Ag2  4  0.2500  0.2500  0.5000  1.0
  O  O3  8  0.2075  0.0895  0.2276  1.0
]