The material structure described by Cu10Sb3 is beta-derived structured and crystallizes in the hexagonal P6_3/m space group. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to three equivalent Cu(3), six equivalent Cu(4), and three equivalent Sb(1) atoms to form CuCu9Sb3 cuboctahedra that share corners with three equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with three equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with six equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with six equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with six equivalent Sb(1)Cu12 cuboctahedra, edges with nine equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with two equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with three equivalent Sb(1)Cu12 cuboctahedra, faces with six equivalent Cu(4)Cu9Sb3 cuboctahedra, and faces with nine equivalent Cu(3)Cu8Sb4 cuboctahedra. In the second Cu site, Cu(2) is bonded to one Cu(3), one Cu(4), six equivalent Cu(2), and four equivalent Sb(1) atoms to form distorted CuCu8Sb4 cuboctahedra that share  a cornercorner with one Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(1)Cu9Sb3 cuboctahedra, edges with four equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with five equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with four equivalent Sb(1)Cu12 cuboctahedra, and faces with ten equivalent Cu(2)Cu8Sb4 cuboctahedra. In the third Cu site, Cu(3) is bonded to one Cu(1), one Cu(2), two equivalent Cu(3), four equivalent Cu(4), and four equivalent Sb(1) atoms to form distorted CuCu8Sb4 cuboctahedra that share corners with two equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with two equivalent Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with five equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with three equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(2)Cu8Sb4 cuboctahedra, edges with six equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with four equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with four equivalent Sb(1)Cu12 cuboctahedra, and faces with six equivalent Cu(4)Cu9Sb3 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to one Cu(2), two equivalent Cu(1), two equivalent Cu(4), four equivalent Cu(3), and three equivalent Sb(1) atoms to form distorted CuCu9Sb3 cuboctahedra that share  a cornercorner with one Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with four equivalent Sb(1)Cu12 cuboctahedra, corners with five equivalent Cu(3)Cu8Sb4 cuboctahedra,  an edgeedge with one Cu(1)Cu9Sb3 cuboctahedra, edges with three equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with four equivalent Cu(2)Cu8Sb4 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with two equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with three equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with four equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with five equivalent Sb(1)Cu12 cuboctahedra, and faces with six equivalent Cu(3)Cu8Sb4 cuboctahedra. Sb(1) is bonded to one Cu(1), three equivalent Cu(4), four equivalent Cu(2), and four equivalent Cu(3) atoms to form SbCu12 cuboctahedra that share corners with two equivalent Cu(1)Cu9Sb3 cuboctahedra, corners with two equivalent Sb(1)Cu12 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with five equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with two equivalent Cu(1)Cu9Sb3 cuboctahedra, edges with three equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with four equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, edges with five equivalent Cu(2)Cu8Sb4 cuboctahedra,  a faceface with one Cu(1)Cu9Sb3 cuboctahedra, faces with four equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with four equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with five equivalent Cu(4)Cu9Sb3 cuboctahedra, and faces with six equivalent Sb(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu10Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.077
_cell_length_b   10.077
_cell_length_c   4.302
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   378.306
_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  0.333  0.667  0.750  1.0
  Cu  Cu1  1  0.667  0.333  0.250  1.0
  Cu  Cu2  1  0.116  0.167  0.250  1.0
  Cu  Cu3  1  0.833  0.949  0.250  1.0
  Cu  Cu4  1  0.051  0.884  0.250  1.0
  Cu  Cu5  1  0.884  0.833  0.750  1.0
  Cu  Cu6  1  0.167  0.051  0.750  1.0
  Cu  Cu7  1  0.949  0.116  0.750  1.0
  Cu  Cu8  1  0.441  0.418  0.250  1.0
  Cu  Cu9  1  0.582  0.024  0.250  1.0
  Cu  Cu10  1  0.976  0.559  0.250  1.0
  Cu  Cu11  1  0.559  0.582  0.750  1.0
  Cu  Cu12  1  0.418  0.976  0.750  1.0
  Cu  Cu13  1  0.024  0.441  0.750  1.0
  Cu  Cu14  1  0.209  0.504  0.250  1.0
  Cu  Cu15  1  0.496  0.705  0.250  1.0
  Cu  Cu16  1  0.295  0.791  0.250  1.0
  Cu  Cu17  1  0.791  0.496  0.750  1.0
  Cu  Cu18  1  0.504  0.295  0.750  1.0
  Cu  Cu19  1  0.705  0.209  0.750  1.0
  Sb  Sb20  1  0.362  0.107  0.250  1.0
  Sb  Sb21  1  0.893  0.256  0.250  1.0
  Sb  Sb22  1  0.744  0.638  0.250  1.0
  Sb  Sb23  1  0.638  0.893  0.750  1.0
  Sb  Sb24  1  0.107  0.744  0.750  1.0
  Sb  Sb25  1  0.256  0.362  0.750  1.0
[/CIF]
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The material structure described by Cu10Sb3 is beta-derived structured and crystallizes in the hexagonal P6_3/m space group. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to three equivalent Cu(3), six equivalent Cu(4), and three equivalent Sb(1) atoms to form CuCu9Sb3 cuboctahedra that share corners with three equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with three equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with six equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with six equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with six equivalent Sb(1)Cu12 cuboctahedra, edges with nine equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with two equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with three equivalent Sb(1)Cu12 cuboctahedra, faces with six equivalent Cu(4)Cu9Sb3 cuboctahedra, and faces with nine equivalent Cu(3)Cu8Sb4 cuboctahedra. In the second Cu site, Cu(2) is bonded to one Cu(3), one Cu(4), six equivalent Cu(2), and four equivalent Sb(1) atoms to form distorted CuCu8Sb4 cuboctahedra that share  a cornercorner with one Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(1)Cu9Sb3 cuboctahedra, edges with four equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with five equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with four equivalent Sb(1)Cu12 cuboctahedra, and faces with ten equivalent Cu(2)Cu8Sb4 cuboctahedra. In the third Cu site, Cu(3) is bonded to one Cu(1), one Cu(2), two equivalent Cu(3), four equivalent Cu(4), and four equivalent Sb(1) atoms to form distorted CuCu8Sb4 cuboctahedra that share corners with two equivalent Cu(3)Cu8Sb4 cuboctahedra, corners with two equivalent Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with five equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Sb(1)Cu12 cuboctahedra, edges with three equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with three equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(2)Cu8Sb4 cuboctahedra, edges with six equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with three equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with four equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with four equivalent Sb(1)Cu12 cuboctahedra, and faces with six equivalent Cu(4)Cu9Sb3 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to one Cu(2), two equivalent Cu(1), two equivalent Cu(4), four equivalent Cu(3), and three equivalent Sb(1) atoms to form distorted CuCu9Sb3 cuboctahedra that share  a cornercorner with one Cu(1)Cu9Sb3 cuboctahedra, corners with four equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with four equivalent Sb(1)Cu12 cuboctahedra, corners with five equivalent Cu(3)Cu8Sb4 cuboctahedra,  an edgeedge with one Cu(1)Cu9Sb3 cuboctahedra, edges with three equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with four equivalent Cu(2)Cu8Sb4 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, edges with six equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with two equivalent Cu(1)Cu9Sb3 cuboctahedra, faces with three equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with four equivalent Cu(4)Cu9Sb3 cuboctahedra, faces with five equivalent Sb(1)Cu12 cuboctahedra, and faces with six equivalent Cu(3)Cu8Sb4 cuboctahedra. Sb(1) is bonded to one Cu(1), three equivalent Cu(4), four equivalent Cu(2), and four equivalent Cu(3) atoms to form SbCu12 cuboctahedra that share corners with two equivalent Cu(1)Cu9Sb3 cuboctahedra, corners with two equivalent Sb(1)Cu12 cuboctahedra, corners with four equivalent Cu(4)Cu9Sb3 cuboctahedra, corners with five equivalent Cu(2)Cu8Sb4 cuboctahedra, corners with five equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with two equivalent Cu(1)Cu9Sb3 cuboctahedra, edges with three equivalent Cu(3)Cu8Sb4 cuboctahedra, edges with four equivalent Cu(4)Cu9Sb3 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, edges with five equivalent Cu(2)Cu8Sb4 cuboctahedra,  a faceface with one Cu(1)Cu9Sb3 cuboctahedra, faces with four equivalent Cu(2)Cu8Sb4 cuboctahedra, faces with four equivalent Cu(3)Cu8Sb4 cuboctahedra, faces with five equivalent Cu(4)Cu9Sb3 cuboctahedra, and faces with six equivalent Sb(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu10Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.077
_cell_length_b   10.077
_cell_length_c   4.302
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   378.306
_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  0.333  0.667  0.750  1.0
  Cu  Cu1  1  0.667  0.333  0.250  1.0
  Cu  Cu2  1  0.116  0.167  0.250  1.0
  Cu  Cu3  1  0.833  0.949  0.250  1.0
  Cu  Cu4  1  0.051  0.884  0.250  1.0
  Cu  Cu5  1  0.884  0.833  0.750  1.0
  Cu  Cu6  1  0.167  0.051  0.750  1.0
  Cu  Cu7  1  0.949  0.116  0.750  1.0
  Cu  Cu8  1  0.441  0.418  0.250  1.0
  Cu  Cu9  1  0.582  0.024  0.250  1.0
  Cu  Cu10  1  0.976  0.559  0.250  1.0
  Cu  Cu11  1  0.559  0.582  0.750  1.0
  Cu  Cu12  1  0.418  0.976  0.750  1.0
  Cu  Cu13  1  0.024  0.441  0.750  1.0
  Cu  Cu14  1  0.209  0.504  0.250  1.0
  Cu  Cu15  1  0.496  0.705  0.250  1.0
  Cu  Cu16  1  0.295  0.791  0.250  1.0
  Cu  Cu17  1  0.791  0.496  0.750  1.0
  Cu  Cu18  1  0.504  0.295  0.750  1.0
  Cu  Cu19  1  0.705  0.209  0.750  1.0
  Sb  Sb20  1  0.362  0.107  0.250  1.0
  Sb  Sb21  1  0.893  0.256  0.250  1.0
  Sb  Sb22  1  0.744  0.638  0.250  1.0
  Sb  Sb23  1  0.638  0.893  0.750  1.0
  Sb  Sb24  1  0.107  0.744  0.750  1.0
  Sb  Sb25  1  0.256  0.362  0.750  1.0
[/CIF]
.