data_[Cu1Ag19]
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 [5.0779]
_cell_length_b [6.5162]
_cell_length_c [11.3269]
_cell_angle_alpha [106.5544]
_cell_angle_beta [94.3544]
_cell_angle_gamma [96.9911]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CuAg19]
_chemical_formula_sum '[Cu1 Ag19]'
_cell_volume [354.1658]
_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  0.5000  0.5000  1
  Ag  Ag1  2  0.0002  0.3026  0.6953  1
  Ag  Ag2  2  0.0003  0.0996  0.8984  1
  Ag  Ag3  2  0.2447  0.1545  0.3529  1
  Ag  Ag4  2  0.2477  0.7453  0.7455  1
  Ag  Ag5  2  0.2486  0.9425  0.5489  1
  Ag  Ag6  2  0.2496  0.5499  0.9492  1
  Ag  Ag7  2  0.2512  0.3503  0.1505  1
  Ag  Ag8  2  0.4988  0.4013  0.5972  1
  Ag  Ag9  2  0.4999  0.8015  0.2022  1
  Ag  Ag10  1  0.5000  0.0000  0.0000  1
]