data_[Cu16Ag4As12O48]
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
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.2659]
_cell_length_b [12.5610]
_cell_length_c [7.5889]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.7827]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cu4Ag(AsO4)3]
_chemical_formula_sum '[Cu16 Ag4 As12 O48]'
_cell_volume [1024.7812]
_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  8  0.2220  0.1573  0.6415  1
  Cu  Cu1  4  0.0000  0.2647  0.7500  1
  Cu  Cu2  4  0.0000  0.4931  0.2500  1
  Ag  Ag3  4  0.0000  0.0113  0.2500  1
  As  As4  8  0.2273  0.1194  0.1161  1
  As  As5  4  0.0000  0.2732  0.2500  1
  O  O6  8  0.0454  0.2001  0.4644  1
  O  O7  8  0.1038  0.3768  0.2619  1
  O  O8  8  0.1155  0.3890  0.8258  1
  O  O9  8  0.1452  0.1686  0.8734  1
  O  O10  8  0.1659  0.0056  0.6080  1
  O  O11  8  0.2203  0.1938  0.3020  1
]