data_Cu5Ag4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.67
_cell_length_b   7.67
_cell_length_c   5.29
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu5Ag4
_chemical_formula_sum   'Cu10 Ag8'
_cell_volume   269.65
_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  Cu8  1  0.48  0.0  0.97  1.0
  Cu  Cu9  1  0.76  0.15  0.97  1.0
  Cu  Cu10  1  0.6  0.5  0.97  1.0
  Cu  Cu11  1  0.19  0.0  0.32  1.0
  Cu  Cu12  1  0.4  0.5  0.32  1.0
  Cu  Cu13  1  0.24  0.15  0.32  1.0
  Cu  Cu14  1  0.0  0.43  0.64  1.0
  Cu  Cu15  1  0.84  0.22  0.0  1.0
  Cu  Cu16  1  0.84  0.22  0.64  1.0
  Cu  Cu17  1  0.0  0.43  0.0  1.0
  Ag  Ag0  1  0.0  0.0  0.64  1.0
  Ag  Ag1  1  0.0  0.0  0.0  1.0
  Ag  Ag2  1  0.99  0.0  0.97  1.0
  Ag  Ag3  1  0.5  0.33  0.97  1.0
  Ag  Ag4  1  0.34  0.32  0.97  1.0
  Ag  Ag5  1  0.68  0.0  0.32  1.0
  Ag  Ag6  1  0.66  0.32  0.32  1.0
  Ag  Ag7  1  0.5  0.33  0.32  1.0

data_Cu5Ag4
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.29
_cell_length_b   7.67
_cell_length_c   7.67
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu5Ag4
_chemical_formula_sum   'Cu10 Ag8'
_cell_volume   269.65
_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  1  0.0  -0.0  0.43  1.0
  Cu  Cu1  1  0.0  0.84  0.22  1.0
  Cu  Cu2  1  0.32  0.19  0.0  1.0
  Cu  Cu3  1  0.32  0.24  0.15  1.0
  Cu  Cu4  1  0.32  0.4  0.5  1.0
  Cu  Cu5  1  0.64  -0.0  0.43  1.0
  Cu  Cu6  1  0.64  0.84  0.22  1.0
  Cu  Cu7  1  0.97  0.48  0.0  1.0
  Cu  Cu8  1  0.97  0.6  0.5  1.0
  Cu  Cu9  1  0.97  0.76  0.15  1.0
  Ag  Ag10  1  0.0  0.0  0.0  1.0
  Ag  Ag11  1  0.32  0.5  0.33  1.0
  Ag  Ag12  1  0.32  0.66  0.32  1.0
  Ag  Ag13  1  0.32  0.68  0.0  1.0
  Ag  Ag14  1  0.64  0.0  0.0  1.0
  Ag  Ag15  1  0.97  0.34  0.32  1.0
  Ag  Ag16  1  0.97  0.5  0.33  1.0
  Ag  Ag17  1  0.97  0.99  0.0  1.0

Cu Cu Cu Cu Cu Cu Cu Cu Cu Cu Ag Ag Ag Ag Ag Ag Ag Ag
Ag4Cu5 crystallizes in the triclinic P1 space group. There are eight inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 4-coordinate geometry to one Ag(3), one Ag(6), one Cu(4), one Cu(6), and one Cu(9) atom. The Ag(1)-Ag(3) bond length is 1.70 Å. The Ag(1)-Ag(6) bond length is 2.99 Å. The Ag(1)-Cu(4) bond length is 2.25 Å. The Ag(1)-Cu(6) bond length is 2.35 Å. The Ag(1)-Cu(9) bond length is 2.52 Å. In the second Ag site, Ag(2) is bonded in a single-bond geometry to one Ag(3) and one Ag(6) atom. The Ag(2)-Ag(3) bond length is 0.19 Å. The Ag(2)-Ag(6) bond length is 2.99 Å. In the third Ag site, Ag(3) is bonded in a distorted single-bond geometry to one Ag(1) and one Ag(2) atom. In the fourth Ag site, Ag(4) is bonded in a 2-coordinate geometry to one Ag(5), one Ag(8), one Cu(1), and one Cu(3) atom. The Ag(4)-Ag(5) bond length is 1.24 Å. The Ag(4)-Ag(8) bond length is 1.88 Å. The Ag(4)-Cu(1) bond length is 2.42 Å. The Ag(4)-Cu(3) bond length is 1.14 Å. In the fifth Ag site, Ag(5) is bonded in a distorted single-bond geometry to one Ag(4) atom. In the sixth Ag site, Ag(6) is bonded in a 8-coordinate geometry to one Ag(1), one Ag(2), one Ag(7), one Cu(1), one Cu(2), one Cu(5), one Cu(8), and one Cu(9) atom. The Ag(6)-Ag(7) bond length is 2.54 Å. The Ag(6)-Cu(1) bond length is 2.42 Å. The Ag(6)-Cu(2) bond length is 2.13 Å. The Ag(6)-Cu(5) bond length is 3.35 Å. The Ag(6)-Cu(8) bond length is 2.26 Å. The Ag(6)-Cu(9) bond length is 2.26 Å. In the seventh Ag site, Ag(7) is bonded in a distorted single-bond geometry to one Ag(6), one Ag(8), and one Cu(9) atom. The Ag(7)-Ag(8) bond length is 1.27 Å. The Ag(7)-Cu(9) bond length is 2.55 Å. In the eighth Ag site, Ag(8) is bonded in a 4-coordinate geometry to one Ag(4), one Ag(7), one Cu(5), and one Cu(6) atom. The Ag(8)-Cu(5) bond length is 1.79 Å. The Ag(8)-Cu(6) bond length is 1.74 Å. There are ten inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 3-coordinate geometry to one Ag(4), one Ag(6), and one Cu(2) atom. The Cu(1)-Cu(2) bond length is 1.85 Å. In the second Cu site, Cu(2) is bonded in a single-bond geometry to one Ag(6), one Cu(1), one Cu(8), and one Cu(9) atom. The Cu(2)-Cu(8) bond length is 0.59 Å. The Cu(2)-Cu(9) bond length is 1.79 Å. In the third Cu site, Cu(3) is bonded in a single-bond geometry to one Ag(4) atom. In the fourth Cu site, Cu(4) is bonded in a single-bond geometry to one Ag(1) and one Cu(6) atom. The Cu(4)-Cu(6) bond length is 1.01 Å. In the fifth Cu site, Cu(5) is bonded in a 1-coordinate geometry to one Ag(6) and one Ag(8) atom. In the sixth Cu site, Cu(6) is bonded in a 2-coordinate geometry to one Ag(1), one Ag(8), and one Cu(4) atom. In the seventh Cu site, Cu(7) is bonded in a distorted L-shaped geometry to one Cu(10) and one Cu(9) atom. The Cu(7)-Cu(10) bond length is 1.88 Å. The Cu(7)-Cu(9) bond length is 1.49 Å. In the eighth Cu site, Cu(8) is bonded in a distorted single-bond geometry to one Ag(6), one Cu(10), one Cu(2), and one Cu(9) atom. The Cu(8)-Cu(10) bond length is 1.49 Å. The Cu(8)-Cu(9) bond length is 1.88 Å. In the ninth Cu site, Cu(9) is bonded in a 6-coordinate geometry to one Ag(1), one Ag(6), one Ag(7), one Cu(2), one Cu(7), and one Cu(8) atom. In the tenth Cu site, Cu(10) is bonded in a distorted L-shaped geometry to one Cu(7) and one Cu(8) atom.