data_[Ag4Sn4Te4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.9287]
_cell_length_b [8.9412]
_cell_length_c [7.4952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4101]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgSnTeO5]
_chemical_formula_sum '[Ag4 Sn4 Te4 O20]'
_cell_volume [447.6411]
_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
[
  Ag  Ag0  4  0.0000  0.3398  0.2500  1
  Sn  Sn1  4  0.0000  0.0000  0.0000  1
  Te  Te2  4  0.0000  0.3474  0.7500  1
  O  O3  8  0.1296  0.2089  0.6270  1
  O  O4  8  0.2083  0.4158  0.9743  1
  O  O5  4  0.0000  0.0869  0.2500  1
]