data_[Cu4Ag4S4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [5.5940]
_cell_length_b [6.3555]
_cell_length_c [7.2248]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [CuAgSO]
_chemical_formula_sum '[Cu4 Ag4 S4 O4]'
_cell_volume [256.8612]
_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
[
  Cu  Cu0  4  0.0191  0.7352  0.8684  1
  Ag  Ag1  4  0.0023  0.3977  0.2279  1
  S  S2  4  0.1918  0.3620  0.8562  1
  O  O3  4  0.1501  0.1627  0.4083  1
]