The crystal structure described by Cu4Pd crystallizes in the tetragonal P4_2/m space group. Pd(1) is bonded to one Pd(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(3), and six equivalent Cu(4) atoms to form distorted PdCu11Pd cuboctahedra that share corners with three equivalent Cu(1)Cu10Pd2 cuboctahedra, corners with four equivalent Cu(3)Cu10Pd2 cuboctahedra, corners with five equivalent Pd(1)Cu11Pd cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with fourteen equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Pd(1)Cu11Pd cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with six equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with six equivalent Cu(4)Cu9Pd3 cuboctahedra. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent Pd(1), two equivalent Cu(3), and eight equivalent Cu(4) atoms to form CuCu10Pd2 cuboctahedra that share corners with six equivalent Pd(1)Cu11Pd cuboctahedra, corners with six equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with four equivalent Pd(1)Cu11Pd cuboctahedra, faces with four equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. In the second Cu site, Cu(2) is bonded to four equivalent Pd(1), four equivalent Cu(3), and four equivalent Cu(4) atoms to form distorted CuCu8Pd4 cuboctahedra that share corners with twelve equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu11Pd cuboctahedra, faces with four equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. In the third Cu site, Cu(3) is bonded to two equivalent Pd(1), one Cu(1), one Cu(3), two equivalent Cu(2), and six equivalent Cu(4) atoms to form CuCu10Pd2 cuboctahedra that share corners with three equivalent Cu(1)Cu10Pd2 cuboctahedra, corners with four equivalent Pd(1)Cu11Pd cuboctahedra, corners with five equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with two equivalent Pd(1)Cu11Pd cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with fourteen equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(3)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with six equivalent Pd(1)Cu11Pd cuboctahedra, and faces with six equivalent Cu(4)Cu9Pd3 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to three equivalent Pd(1), one Cu(2), two equivalent Cu(1), three equivalent Cu(3), and three equivalent Cu(4) atoms to form distorted CuCu9Pd3 cuboctahedra that share corners with three equivalent Cu(2)Cu8Pd4 cuboctahedra, corners with nine equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with six equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with seven equivalent Pd(1)Cu11Pd cuboctahedra, edges with seven equivalent Cu(3)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with three equivalent Pd(1)Cu11Pd cuboctahedra, faces with three equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cu4Pd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.830
_cell_length_b   5.830
_cell_length_c   7.191
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   244.416
_cell_formula_units_Z   4
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  0.000  0.000  0.000  1.0
  Cu  Cu1  1  0.000  0.000  0.500  1.0
  Cu  Cu2  1  0.500  0.500  0.250  1.0
  Cu  Cu3  1  0.500  0.500  0.750  1.0
  Cu  Cu4  1  0.192  0.605  0.000  1.0
  Cu  Cu5  1  0.395  0.192  0.500  1.0
  Cu  Cu6  1  0.605  0.808  0.500  1.0
  Cu  Cu7  1  0.808  0.395  0.000  1.0
  Cu  Cu8  1  0.096  0.296  0.249  1.0
  Cu  Cu9  1  0.704  0.096  0.749  1.0
  Cu  Cu10  1  0.296  0.904  0.749  1.0
  Cu  Cu11  1  0.904  0.704  0.249  1.0
  Cu  Cu12  1  0.904  0.704  0.751  1.0
  Cu  Cu13  1  0.296  0.904  0.251  1.0
  Cu  Cu14  1  0.704  0.096  0.251  1.0
  Cu  Cu15  1  0.096  0.296  0.751  1.0
  Pd  Pd16  1  0.397  0.208  0.000  1.0
  Pd  Pd17  1  0.792  0.397  0.500  1.0
  Pd  Pd18  1  0.208  0.603  0.500  1.0
  Pd  Pd19  1  0.603  0.792  0.000  1.0
[/CIF]
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The crystal structure described by Cu4Pd crystallizes in the tetragonal P4_2/m space group. Pd(1) is bonded to one Pd(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(3), and six equivalent Cu(4) atoms to form distorted PdCu11Pd cuboctahedra that share corners with three equivalent Cu(1)Cu10Pd2 cuboctahedra, corners with four equivalent Cu(3)Cu10Pd2 cuboctahedra, corners with five equivalent Pd(1)Cu11Pd cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with fourteen equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Pd(1)Cu11Pd cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with six equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with six equivalent Cu(4)Cu9Pd3 cuboctahedra. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent Pd(1), two equivalent Cu(3), and eight equivalent Cu(4) atoms to form CuCu10Pd2 cuboctahedra that share corners with six equivalent Pd(1)Cu11Pd cuboctahedra, corners with six equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with eight equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with four equivalent Pd(1)Cu11Pd cuboctahedra, faces with four equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. In the second Cu site, Cu(2) is bonded to four equivalent Pd(1), four equivalent Cu(3), and four equivalent Cu(4) atoms to form distorted CuCu8Pd4 cuboctahedra that share corners with twelve equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with four equivalent Pd(1)Cu11Pd cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with eight equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with four equivalent Pd(1)Cu11Pd cuboctahedra, faces with four equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. In the third Cu site, Cu(3) is bonded to two equivalent Pd(1), one Cu(1), one Cu(3), two equivalent Cu(2), and six equivalent Cu(4) atoms to form CuCu10Pd2 cuboctahedra that share corners with three equivalent Cu(1)Cu10Pd2 cuboctahedra, corners with four equivalent Pd(1)Cu11Pd cuboctahedra, corners with five equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with two equivalent Pd(1)Cu11Pd cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with four equivalent Cu(3)Cu10Pd2 cuboctahedra, edges with fourteen equivalent Cu(4)Cu9Pd3 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(3)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with six equivalent Pd(1)Cu11Pd cuboctahedra, and faces with six equivalent Cu(4)Cu9Pd3 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to three equivalent Pd(1), one Cu(2), two equivalent Cu(1), three equivalent Cu(3), and three equivalent Cu(4) atoms to form distorted CuCu9Pd3 cuboctahedra that share corners with three equivalent Cu(2)Cu8Pd4 cuboctahedra, corners with nine equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with two equivalent Cu(1)Cu10Pd2 cuboctahedra, edges with two equivalent Cu(2)Cu8Pd4 cuboctahedra, edges with six equivalent Cu(4)Cu9Pd3 cuboctahedra, edges with seven equivalent Pd(1)Cu11Pd cuboctahedra, edges with seven equivalent Cu(3)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(1)Cu10Pd2 cuboctahedra, faces with two equivalent Cu(2)Cu8Pd4 cuboctahedra, faces with three equivalent Pd(1)Cu11Pd cuboctahedra, faces with three equivalent Cu(3)Cu10Pd2 cuboctahedra, and faces with eight equivalent Cu(4)Cu9Pd3 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cu4Pd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.830
_cell_length_b   5.830
_cell_length_c   7.191
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   244.416
_cell_formula_units_Z   4
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  0.000  0.000  0.000  1.0
  Cu  Cu1  1  0.000  0.000  0.500  1.0
  Cu  Cu2  1  0.500  0.500  0.250  1.0
  Cu  Cu3  1  0.500  0.500  0.750  1.0
  Cu  Cu4  1  0.192  0.605  0.000  1.0
  Cu  Cu5  1  0.395  0.192  0.500  1.0
  Cu  Cu6  1  0.605  0.808  0.500  1.0
  Cu  Cu7  1  0.808  0.395  0.000  1.0
  Cu  Cu8  1  0.096  0.296  0.249  1.0
  Cu  Cu9  1  0.704  0.096  0.749  1.0
  Cu  Cu10  1  0.296  0.904  0.749  1.0
  Cu  Cu11  1  0.904  0.704  0.249  1.0
  Cu  Cu12  1  0.904  0.704  0.751  1.0
  Cu  Cu13  1  0.296  0.904  0.251  1.0
  Cu  Cu14  1  0.704  0.096  0.251  1.0
  Cu  Cu15  1  0.096  0.296  0.751  1.0
  Pd  Pd16  1  0.397  0.208  0.000  1.0
  Pd  Pd17  1  0.792  0.397  0.500  1.0
  Pd  Pd18  1  0.208  0.603  0.500  1.0
  Pd  Pd19  1  0.603  0.792  0.000  1.0
[/CIF]
.