The crystal structure described by Cu3Pd is Uranium Silicide-like structured and crystallizes in the tetragonal P4mm space group. There are seven inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to four equivalent Cu(14), four equivalent Cu(7), and four equivalent Cu(9) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(7)Cu12 cuboctahedra,  a faceface with one Cu(5)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu12 cuboctahedra, faces with four equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the second Pd site, Pd(2) is bonded to four equivalent Cu(10), four equivalent Cu(12), and four equivalent Cu(8) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Pd(6)Cu12 cuboctahedra,  a faceface with one Pd(7)Cu12 cuboctahedra, faces with four equivalent Pd(2)Cu12 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the third Pd site, Pd(3) is bonded to four equivalent Cu(11), four equivalent Cu(3), and four equivalent Cu(6) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(4)Cu12 cuboctahedra,  a faceface with one Pd(5)Cu12 cuboctahedra, faces with four equivalent Pd(3)Cu12 cuboctahedra, faces with four equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fourth Pd site, Pd(4) is bonded to four equivalent Cu(13), four equivalent Cu(4), and four equivalent Cu(6) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(3)Cu12 cuboctahedra,  a faceface with one Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(4)Cu12 cuboctahedra, faces with four equivalent Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fifth Pd site, Pd(5) is bonded to four equivalent Cu(3), four equivalent Cu(5), and four equivalent Cu(9) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(5)Cu12 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(3)Cu12 cuboctahedra,  a faceface with one Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(5)Cu12 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the sixth Pd site, Pd(6) is bonded to four equivalent Cu(1), four equivalent Cu(10), and four equivalent Cu(4) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Pd(2)Cu12 cuboctahedra,  a faceface with one Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(6)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra. In the seventh Pd site, Pd(7) is bonded to four equivalent Cu(2), four equivalent Cu(7), and four equivalent Cu(8) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Pd(1)Cu12 cuboctahedra,  a faceface with one Pd(2)Cu12 cuboctahedra, faces with four equivalent Pd(7)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. There are fourteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent Pd(6), four equivalent Cu(10), and four equivalent Cu(4) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Pd(4)Cu12 cuboctahedra,  a faceface with one Cu(12)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(6)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra. In the second Cu site, Cu(2) is bonded to four equivalent Pd(7), four equivalent Cu(7), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(12)Cu8Pd4 cuboctahedra,  a faceface with one Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(7)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the third Cu site, Cu(3) is bonded to two equivalent Pd(3), two equivalent Pd(5), two equivalent Cu(11), two equivalent Cu(5), and four equivalent Cu(3) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(9)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(3)Cu12 cuboctahedra, faces with two equivalent Pd(5)Cu12 cuboctahedra, faces with two equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(3)Cu8Pd4 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to two equivalent Pd(4), two equivalent Pd(6), two equivalent Cu(1), two equivalent Cu(13), and four equivalent Cu(4) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(10)Cu8Pd4 cuboctahedra,  a faceface with one Cu(6)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(4)Cu12 cuboctahedra, faces with two equivalent Pd(6)Cu12 cuboctahedra, faces with two equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(13)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(4)Cu8Pd4 cuboctahedra. In the fifth Cu site, Cu(5) is bonded to four equivalent Pd(5), four equivalent Cu(3), and four equivalent Cu(9) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(1)Cu12 cuboctahedra,  a faceface with one Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(5)Cu12 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to two equivalent Pd(3), two equivalent Pd(4), two equivalent Cu(11), two equivalent Cu(13), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Cu(3)Cu8Pd4 cuboctahedra,  a faceface with one Cu(4)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(3)Cu12 cuboctahedra, faces with two equivalent Pd(4)Cu12 cuboctahedra, faces with two equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(13)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(6)Cu8Pd4 cuboctahedra. In the seventh Cu site, Cu(7) is bonded to two equivalent Pd(1), two equivalent Pd(7), two equivalent Cu(14), two equivalent Cu(2), and four equivalent Cu(7) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(9)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(1)Cu12 cuboctahedra, faces with two equivalent Pd(7)Cu12 cuboctahedra, faces with two equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(7)Cu8Pd4 cuboctahedra. In the eighth Cu site, Cu(8) is bonded to two equivalent Pd(2), two equivalent Pd(7), two equivalent Cu(12), two equivalent Cu(2), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(7)Cu8Pd4 cuboctahedra,  a faceface with one Cu(10)Cu8Pd4 cuboctahedra,  a faceface with one Cu(7)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(2)Cu12 cuboctahedra, faces with two equivalent Pd(7)Cu12 cuboctahedra, faces with two equivalent Cu(12)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(8)Cu8Pd4 cuboctahedra. In the ninth Cu site, Cu(9) is bonded to two equivalent Pd(1), two equivalent Pd(5), two equivalent Cu(14), two equivalent Cu(5), and four equivalent Cu(9) atoms to form distorted CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(7)Cu8Pd4 cuboctahedra,  a faceface with one Cu(3)Cu8Pd4 cuboctahedra,  a faceface with one Cu(7)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(1)Cu12 cuboctahedra, faces with two equivalent Pd(5)Cu12 cuboctahedra, faces with two equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(9)Cu8Pd4 cuboctahedra. In the tenth Cu site, Cu(10) is bonded to two equivalent Pd(2), two equivalent Pd(6), two equivalent Cu(1), two equivalent Cu(12), and four equivalent Cu(10) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Cu(8)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(2)Cu12 cuboctahedra, faces with two equivalent Pd(6)Cu12 cuboctahedra, faces with two equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(10)Cu8Pd4 cuboctahedra. In the eleventh Cu site, Cu(11) is bonded to four equivalent Pd(3), four equivalent Cu(3), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(13)Cu8Pd4 cuboctahedra,  a faceface with one Cu(5)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(3)Cu12 cuboctahedra, faces with four equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the twelfth Cu site, Cu(12) is bonded to four equivalent Pd(2), four equivalent Cu(10), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(1)Cu8Pd4 cuboctahedra,  a faceface with one Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(2)Cu12 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the thirteenth Cu site, Cu(13) is bonded to four equivalent Pd(4), four equivalent Cu(4), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(6)Cu12 cuboctahedra,  a faceface with one Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(4)Cu12 cuboctahedra, faces with four equivalent Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fourteenth Cu site, Cu(14) is bonded to four equivalent Pd(1), four equivalent Cu(7), and four equivalent Cu(9) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(5)Cu12 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(5)Cu12 cuboctahedra,  a faceface with one Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu12 cuboctahedra, faces with four equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cu3Pd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.721
_cell_length_b   3.721
_cell_length_c   25.870
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   358.233
_cell_formula_units_Z   7
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  0.500  0.500  0.999  1.0
  Cu  Cu1  1  0.500  0.500  0.286  1.0
  Cu  Cu2  1  0.000  0.500  0.639  1.0
  Cu  Cu3  1  0.000  0.500  0.926  1.0
  Cu  Cu4  1  0.500  0.000  0.639  1.0
  Cu  Cu5  1  0.000  0.000  0.568  1.0
  Cu  Cu6  1  0.500  0.000  0.926  1.0
  Cu  Cu7  1  0.500  0.000  0.782  1.0
  Cu  Cu8  1  0.000  0.500  0.357  1.0
  Cu  Cu9  1  0.500  0.000  0.214  1.0
  Cu  Cu10  1  0.000  0.500  0.498  1.0
  Cu  Cu11  1  0.500  0.000  0.071  1.0
  Cu  Cu12  1  0.000  0.500  0.071  1.0
  Cu  Cu13  1  0.000  0.000  0.710  1.0
  Cu  Cu14  1  0.500  0.000  0.357  1.0
  Cu  Cu15  1  0.000  0.500  0.214  1.0
  Cu  Cu16  1  0.500  0.500  0.143  1.0
  Cu  Cu17  1  0.000  0.000  0.854  1.0
  Cu  Cu18  1  0.500  0.000  0.498  1.0
  Cu  Cu19  1  0.000  0.500  0.782  1.0
  Cu  Cu20  1  0.500  0.500  0.428  1.0
  Pd  Pd21  1  0.000  0.000  0.428  1.0
  Pd  Pd22  1  0.000  0.000  0.142  1.0
  Pd  Pd23  1  0.500  0.500  0.710  1.0
  Pd  Pd24  1  0.500  0.500  0.854  1.0
  Pd  Pd25  1  0.500  0.500  0.568  1.0
  Pd  Pd26  1  0.000  0.000  0.998  1.0
  Pd  Pd27  1  0.000  0.000  0.286  1.0
[/CIF]
.
The crystal structure described by Cu3Pd is Uranium Silicide-like structured and crystallizes in the tetragonal P4mm space group. There are seven inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to four equivalent Cu(14), four equivalent Cu(7), and four equivalent Cu(9) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(7)Cu12 cuboctahedra,  a faceface with one Cu(5)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu12 cuboctahedra, faces with four equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the second Pd site, Pd(2) is bonded to four equivalent Cu(10), four equivalent Cu(12), and four equivalent Cu(8) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Pd(6)Cu12 cuboctahedra,  a faceface with one Pd(7)Cu12 cuboctahedra, faces with four equivalent Pd(2)Cu12 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the third Pd site, Pd(3) is bonded to four equivalent Cu(11), four equivalent Cu(3), and four equivalent Cu(6) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(4)Cu12 cuboctahedra,  a faceface with one Pd(5)Cu12 cuboctahedra, faces with four equivalent Pd(3)Cu12 cuboctahedra, faces with four equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fourth Pd site, Pd(4) is bonded to four equivalent Cu(13), four equivalent Cu(4), and four equivalent Cu(6) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(3)Cu12 cuboctahedra,  a faceface with one Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(4)Cu12 cuboctahedra, faces with four equivalent Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fifth Pd site, Pd(5) is bonded to four equivalent Cu(3), four equivalent Cu(5), and four equivalent Cu(9) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(3)Cu12 cuboctahedra, corners with four equivalent Pd(5)Cu12 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(3)Cu12 cuboctahedra,  a faceface with one Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(5)Cu12 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the sixth Pd site, Pd(6) is bonded to four equivalent Cu(1), four equivalent Cu(10), and four equivalent Cu(4) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Pd(2)Cu12 cuboctahedra,  a faceface with one Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(6)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra. In the seventh Pd site, Pd(7) is bonded to four equivalent Cu(2), four equivalent Cu(7), and four equivalent Cu(8) atoms to form PdCu12 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Pd(2)Cu12 cuboctahedra, corners with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Pd(1)Cu12 cuboctahedra,  a faceface with one Pd(2)Cu12 cuboctahedra, faces with four equivalent Pd(7)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. There are fourteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent Pd(6), four equivalent Cu(10), and four equivalent Cu(4) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(4)Cu12 cuboctahedra, corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Pd(4)Cu12 cuboctahedra,  a faceface with one Cu(12)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(6)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra. In the second Cu site, Cu(2) is bonded to four equivalent Pd(7), four equivalent Cu(7), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(12)Cu8Pd4 cuboctahedra,  a faceface with one Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(7)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the third Cu site, Cu(3) is bonded to two equivalent Pd(3), two equivalent Pd(5), two equivalent Cu(11), two equivalent Cu(5), and four equivalent Cu(3) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(9)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(3)Cu12 cuboctahedra, faces with two equivalent Pd(5)Cu12 cuboctahedra, faces with two equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(3)Cu8Pd4 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to two equivalent Pd(4), two equivalent Pd(6), two equivalent Cu(1), two equivalent Cu(13), and four equivalent Cu(4) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(10)Cu8Pd4 cuboctahedra,  a faceface with one Cu(6)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(4)Cu12 cuboctahedra, faces with two equivalent Pd(6)Cu12 cuboctahedra, faces with two equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(13)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(4)Cu8Pd4 cuboctahedra. In the fifth Cu site, Cu(5) is bonded to four equivalent Pd(5), four equivalent Cu(3), and four equivalent Cu(9) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(1)Cu12 cuboctahedra, corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(1)Cu12 cuboctahedra,  a faceface with one Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(5)Cu12 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to two equivalent Pd(3), two equivalent Pd(4), two equivalent Cu(11), two equivalent Cu(13), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(6)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Cu(11)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Cu(3)Cu8Pd4 cuboctahedra,  a faceface with one Cu(4)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(3)Cu12 cuboctahedra, faces with two equivalent Pd(4)Cu12 cuboctahedra, faces with two equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(13)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(6)Cu8Pd4 cuboctahedra. In the seventh Cu site, Cu(7) is bonded to two equivalent Pd(1), two equivalent Pd(7), two equivalent Cu(14), two equivalent Cu(2), and four equivalent Cu(7) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(9)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(1)Cu12 cuboctahedra, faces with two equivalent Pd(7)Cu12 cuboctahedra, faces with two equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(7)Cu8Pd4 cuboctahedra. In the eighth Cu site, Cu(8) is bonded to two equivalent Pd(2), two equivalent Pd(7), two equivalent Cu(12), two equivalent Cu(2), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(7)Cu8Pd4 cuboctahedra,  a faceface with one Cu(10)Cu8Pd4 cuboctahedra,  a faceface with one Cu(7)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(2)Cu12 cuboctahedra, faces with two equivalent Pd(7)Cu12 cuboctahedra, faces with two equivalent Cu(12)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(8)Cu8Pd4 cuboctahedra. In the ninth Cu site, Cu(9) is bonded to two equivalent Pd(1), two equivalent Pd(5), two equivalent Cu(14), two equivalent Cu(5), and four equivalent Cu(9) atoms to form distorted CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(3)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(7)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(9)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with four equivalent Cu(14)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(7)Cu8Pd4 cuboctahedra,  a faceface with one Cu(3)Cu8Pd4 cuboctahedra,  a faceface with one Cu(7)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(1)Cu12 cuboctahedra, faces with two equivalent Pd(5)Cu12 cuboctahedra, faces with two equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(5)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(9)Cu8Pd4 cuboctahedra. In the tenth Cu site, Cu(10) is bonded to two equivalent Pd(2), two equivalent Pd(6), two equivalent Cu(1), two equivalent Cu(12), and four equivalent Cu(10) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(10)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(4)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(8)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(2)Cu12 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(12)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(4)Cu8Pd4 cuboctahedra,  a faceface with one Cu(8)Cu8Pd4 cuboctahedra, faces with two equivalent Pd(2)Cu12 cuboctahedra, faces with two equivalent Pd(6)Cu12 cuboctahedra, faces with two equivalent Cu(1)Cu8Pd4 cuboctahedra, faces with two equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with eight equivalent Cu(10)Cu8Pd4 cuboctahedra. In the eleventh Cu site, Cu(11) is bonded to four equivalent Pd(3), four equivalent Cu(3), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(4)Cu12 cuboctahedra, edges with four equivalent Pd(5)Cu12 cuboctahedra, edges with eight equivalent Cu(3)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Cu(13)Cu8Pd4 cuboctahedra,  a faceface with one Cu(5)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(3)Cu12 cuboctahedra, faces with four equivalent Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(3)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the twelfth Cu site, Cu(12) is bonded to four equivalent Pd(2), four equivalent Cu(10), and four equivalent Cu(8) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Cu(1)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(12)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(6)Cu12 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with eight equivalent Cu(10)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(8)Cu8Pd4 cuboctahedra,  a faceface with one Cu(1)Cu8Pd4 cuboctahedra,  a faceface with one Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(2)Cu12 cuboctahedra, faces with four equivalent Cu(10)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(12)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(8)Cu8Pd4 cuboctahedra. In the thirteenth Cu site, Cu(13) is bonded to four equivalent Pd(4), four equivalent Cu(4), and four equivalent Cu(6) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(6)Cu12 cuboctahedra, corners with four equivalent Cu(11)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(13)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(3)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(6)Cu8Pd4 cuboctahedra,  a faceface with one Pd(6)Cu12 cuboctahedra,  a faceface with one Cu(11)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(4)Cu12 cuboctahedra, faces with four equivalent Cu(13)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(4)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(6)Cu8Pd4 cuboctahedra. In the fourteenth Cu site, Cu(14) is bonded to four equivalent Pd(1), four equivalent Cu(7), and four equivalent Cu(9) atoms to form CuCu8Pd4 cuboctahedra that share corners with four equivalent Pd(5)Cu12 cuboctahedra, corners with four equivalent Cu(14)Cu8Pd4 cuboctahedra, corners with four equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(7)Cu12 cuboctahedra, edges with four equivalent Cu(5)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(7)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(9)Cu8Pd4 cuboctahedra,  a faceface with one Pd(5)Cu12 cuboctahedra,  a faceface with one Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu12 cuboctahedra, faces with four equivalent Cu(14)Cu8Pd4 cuboctahedra, faces with four equivalent Cu(7)Cu8Pd4 cuboctahedra, and faces with four equivalent Cu(9)Cu8Pd4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cu3Pd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.721
_cell_length_b   3.721
_cell_length_c   25.870
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   358.233
_cell_formula_units_Z   7
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  0.500  0.500  0.999  1.0
  Cu  Cu1  1  0.500  0.500  0.286  1.0
  Cu  Cu2  1  0.000  0.500  0.639  1.0
  Cu  Cu3  1  0.000  0.500  0.926  1.0
  Cu  Cu4  1  0.500  0.000  0.639  1.0
  Cu  Cu5  1  0.000  0.000  0.568  1.0
  Cu  Cu6  1  0.500  0.000  0.926  1.0
  Cu  Cu7  1  0.500  0.000  0.782  1.0
  Cu  Cu8  1  0.000  0.500  0.357  1.0
  Cu  Cu9  1  0.500  0.000  0.214  1.0
  Cu  Cu10  1  0.000  0.500  0.498  1.0
  Cu  Cu11  1  0.500  0.000  0.071  1.0
  Cu  Cu12  1  0.000  0.500  0.071  1.0
  Cu  Cu13  1  0.000  0.000  0.710  1.0
  Cu  Cu14  1  0.500  0.000  0.357  1.0
  Cu  Cu15  1  0.000  0.500  0.214  1.0
  Cu  Cu16  1  0.500  0.500  0.143  1.0
  Cu  Cu17  1  0.000  0.000  0.854  1.0
  Cu  Cu18  1  0.500  0.000  0.498  1.0
  Cu  Cu19  1  0.000  0.500  0.782  1.0
  Cu  Cu20  1  0.500  0.500  0.428  1.0
  Pd  Pd21  1  0.000  0.000  0.428  1.0
  Pd  Pd22  1  0.000  0.000  0.142  1.0
  Pd  Pd23  1  0.500  0.500  0.710  1.0
  Pd  Pd24  1  0.500  0.500  0.854  1.0
  Pd  Pd25  1  0.500  0.500  0.568  1.0
  Pd  Pd26  1  0.000  0.000  0.998  1.0
  Pd  Pd27  1  0.000  0.000  0.286  1.0
[/CIF]
.