data_[Zn2Si2Ag4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [5.5395]
_cell_length_b [5.5788]
_cell_length_c [8.8775]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.6274]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [ZnSi(AgO2)2]
_chemical_formula_sum '[Zn2 Si2 Ag4 O8]'
_cell_volume [217.2854]
_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
[
  Zn  Zn0  2  0.0087  0.1937  0.5030  1.0
  Si  Si1  2  0.2610  0.3076  0.2546  1.0
  Ag  Ag2  2  0.5213  0.2026  0.0057  1.0
  Ag  Ag3  2  0.7485  0.3036  0.7493  1.0
  O  O4  2  0.1479  0.4092  0.7195  1.0
  O  O5  2  0.3006  0.2055  0.4437  1.0
  O  O6  2  0.5890  0.2869  0.2895  1.0
  O  O7  2  0.9999  0.1485  0.0637  1.0
]