data_[Cu1Ag8]
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 [P-1]
_cell_length_a [5.0312]
_cell_length_b [5.0464]
_cell_length_c [6.4877]
_cell_angle_alpha [75.0641]
_cell_angle_beta [82.8901]
_cell_angle_gamma [80.4045]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CuAg8]
_chemical_formula_sum '[Cu1 Ag8]'
_cell_volume [156.3633]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Ag  Ag1  2  0.1088  0.5547  0.7830  1
  Ag  Ag2  2  0.2200  0.1100  0.5614  1
  Ag  Ag3  2  0.3290  0.6696  0.3298  1
  Ag  Ag4  2  0.4459  0.2171  0.1088  1
]