data_[Cu6Ag10]
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
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [5.6625]
_cell_length_b [7.7804]
_cell_length_c [5.7132]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Cu3Ag5]
_chemical_formula_sum '[Cu6 Ag10]'
_cell_volume [251.7045]
_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
[
  Cu  Cu0  4  0.2500  0.2500  0.0074  1
  Cu  Cu1  2  0.0000  0.0000  0.2374  1
  Ag  Ag2  4  0.2500  0.2500  0.4913  1
  Ag  Ag3  2  0.0000  0.0000  0.7709  1
  Ag  Ag4  2  0.0000  0.5000  0.2362  1
  Ag  Ag5  2  0.0000  0.5000  0.7581  1
]