The material structure described by Cu6SbAs crystallizes in the orthorhombic Ama2 space group. There are eight inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 11-coordinate geometry to one Cu(2), one Cu(4), one Cu(5), one Cu(7), one Cu(8), two equivalent Cu(3), one Sb(1), one Sb(2), one As(1), and one As(2) atom. In the second Cu site, Cu(2) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(3), one Cu(4), one Cu(5), one Cu(7), two equivalent Cu(2), one Sb(2), one As(1), and two equivalent As(2) atoms. In the third Cu site, Cu(3) is bonded in a 11-coordinate geometry to one Cu(8), two equivalent Cu(2), four equivalent Cu(1), two equivalent Sb(1), one As(1), and one As(2) atom. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(5), one Cu(7), one Cu(8), two equivalent Cu(6), one Sb(1), one Sb(2), one As(1), and one As(2) atom. In the fifth Cu site, Cu(5) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(4), one Cu(6), one Cu(8), two equivalent Cu(5), two equivalent Sb(2), one As(1), and one As(2) atom. In the sixth Cu site, Cu(6) is bonded in a 11-coordinate geometry to one Cu(7), two equivalent Cu(5), four equivalent Cu(4), one Sb(2), two equivalent Sb(1), and one As(1) atom. In the seventh Cu site, Cu(7) is bonded in a 11-coordinate geometry to one Cu(6), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), one Sb(2), two equivalent Sb(1), and one As(1) atom. In the eighth Cu site, Cu(8) is bonded in a 2-coordinate geometry to one Cu(3), two equivalent Cu(1), two equivalent Cu(4), two equivalent Cu(5), two equivalent Sb(1), one As(1), and one As(2) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(4), two equivalent Cu(6), two equivalent Cu(7), and two equivalent Cu(8) atoms to form distorted SbCu12 cuboctahedra that share edges with four equivalent Sb(2)Cu12 cuboctahedra, edges with four equivalent As(2)Cu12 cuboctahedra, faces with two equivalent Sb(1)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. In the second Sb site, Sb(2) is bonded to one Cu(6), one Cu(7), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), and four equivalent Cu(5) atoms to form distorted SbCu12 cuboctahedra that share edges with two equivalent Sb(2)Cu12 cuboctahedra, edges with two equivalent As(2)Cu12 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, faces with two equivalent As(2)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one Cu(3), one Cu(6), one Cu(7), one Cu(8), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), and two equivalent Cu(5) atoms to form AsCu12 cuboctahedra that share faces with four equivalent Sb(1)Cu12 cuboctahedra, faces with four equivalent Sb(2)Cu12 cuboctahedra, and faces with four equivalent As(2)Cu12 cuboctahedra. In the second As site, As(2) is bonded to one Cu(3), one Cu(8), two equivalent Cu(1), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(2) atoms to form distorted AsCu12 cuboctahedra that share edges with two equivalent Sb(2)Cu12 cuboctahedra, edges with two equivalent As(2)Cu12 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, faces with two equivalent Sb(2)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu6SbAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.698
_cell_length_b   7.698
_cell_length_c   7.721
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.289
_symmetry_Int_Tables_number   1
_cell_volume   457.600
_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  0.503  0.838  0.545  1.0
  Cu  Cu1  1  0.792  0.997  0.420  1.0
  Cu  Cu2  1  0.672  0.711  0.250  1.0
  Cu  Cu3  1  0.504  0.162  0.955  1.0
  Cu  Cu4  1  0.205  0.997  0.088  1.0
  Cu  Cu5  1  0.337  0.292  0.250  1.0
  Cu  Cu6  1  0.504  0.162  0.545  1.0
  Cu  Cu7  1  0.205  0.997  0.412  1.0
  Cu  Cu8  1  0.503  0.838  0.955  1.0
  Cu  Cu9  1  0.792  0.997  0.080  1.0
  Cu  Cu10  1  0.663  0.292  0.250  1.0
  Cu  Cu11  1  0.328  0.710  0.250  1.0
  Cu  Cu12  1  0.838  0.503  0.045  1.0
  Cu  Cu13  1  0.997  0.792  0.920  1.0
  Cu  Cu14  1  0.711  0.672  0.750  1.0
  Cu  Cu15  1  0.162  0.504  0.455  1.0
  Cu  Cu16  1  0.997  0.205  0.588  1.0
  Cu  Cu17  1  0.292  0.337  0.750  1.0
  Cu  Cu18  1  0.162  0.504  0.045  1.0
  Cu  Cu19  1  0.997  0.205  0.912  1.0
  Cu  Cu20  1  0.838  0.503  0.455  1.0
  Cu  Cu21  1  0.997  0.792  0.580  1.0
  Cu  Cu22  1  0.292  0.663  0.750  1.0
  Cu  Cu23  1  0.710  0.328  0.750  1.0
  Sb  Sb24  1  0.500  0.500  0.500  1.0
  Sb  Sb25  1  0.249  1.000  0.750  1.0
  Sb  Sb26  1  1.000  0.249  0.250  1.0
  Sb  Sb27  1  0.500  0.500  0.000  1.0
  As  As28  1  0.501  0.999  0.250  1.0
  As  As29  1  0.999  0.501  0.750  1.0
  As  As30  1  0.750  0.001  0.750  1.0
  As  As31  1  0.001  0.750  0.250  1.0
[/CIF]
.
The material structure described by Cu6SbAs crystallizes in the orthorhombic Ama2 space group. There are eight inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 11-coordinate geometry to one Cu(2), one Cu(4), one Cu(5), one Cu(7), one Cu(8), two equivalent Cu(3), one Sb(1), one Sb(2), one As(1), and one As(2) atom. In the second Cu site, Cu(2) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(3), one Cu(4), one Cu(5), one Cu(7), two equivalent Cu(2), one Sb(2), one As(1), and two equivalent As(2) atoms. In the third Cu site, Cu(3) is bonded in a 11-coordinate geometry to one Cu(8), two equivalent Cu(2), four equivalent Cu(1), two equivalent Sb(1), one As(1), and one As(2) atom. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(5), one Cu(7), one Cu(8), two equivalent Cu(6), one Sb(1), one Sb(2), one As(1), and one As(2) atom. In the fifth Cu site, Cu(5) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(4), one Cu(6), one Cu(8), two equivalent Cu(5), two equivalent Sb(2), one As(1), and one As(2) atom. In the sixth Cu site, Cu(6) is bonded in a 11-coordinate geometry to one Cu(7), two equivalent Cu(5), four equivalent Cu(4), one Sb(2), two equivalent Sb(1), and one As(1) atom. In the seventh Cu site, Cu(7) is bonded in a 11-coordinate geometry to one Cu(6), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), one Sb(2), two equivalent Sb(1), and one As(1) atom. In the eighth Cu site, Cu(8) is bonded in a 2-coordinate geometry to one Cu(3), two equivalent Cu(1), two equivalent Cu(4), two equivalent Cu(5), two equivalent Sb(1), one As(1), and one As(2) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(4), two equivalent Cu(6), two equivalent Cu(7), and two equivalent Cu(8) atoms to form distorted SbCu12 cuboctahedra that share edges with four equivalent Sb(2)Cu12 cuboctahedra, edges with four equivalent As(2)Cu12 cuboctahedra, faces with two equivalent Sb(1)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. In the second Sb site, Sb(2) is bonded to one Cu(6), one Cu(7), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), and four equivalent Cu(5) atoms to form distorted SbCu12 cuboctahedra that share edges with two equivalent Sb(2)Cu12 cuboctahedra, edges with two equivalent As(2)Cu12 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, faces with two equivalent As(2)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one Cu(3), one Cu(6), one Cu(7), one Cu(8), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), and two equivalent Cu(5) atoms to form AsCu12 cuboctahedra that share faces with four equivalent Sb(1)Cu12 cuboctahedra, faces with four equivalent Sb(2)Cu12 cuboctahedra, and faces with four equivalent As(2)Cu12 cuboctahedra. In the second As site, As(2) is bonded to one Cu(3), one Cu(8), two equivalent Cu(1), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(2) atoms to form distorted AsCu12 cuboctahedra that share edges with two equivalent Sb(2)Cu12 cuboctahedra, edges with two equivalent As(2)Cu12 cuboctahedra, edges with four equivalent Sb(1)Cu12 cuboctahedra, faces with two equivalent Sb(2)Cu12 cuboctahedra, and faces with four equivalent As(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu6SbAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.698
_cell_length_b   7.698
_cell_length_c   7.721
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.289
_symmetry_Int_Tables_number   1
_cell_volume   457.600
_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  0.503  0.838  0.545  1.0
  Cu  Cu1  1  0.792  0.997  0.420  1.0
  Cu  Cu2  1  0.672  0.711  0.250  1.0
  Cu  Cu3  1  0.504  0.162  0.955  1.0
  Cu  Cu4  1  0.205  0.997  0.088  1.0
  Cu  Cu5  1  0.337  0.292  0.250  1.0
  Cu  Cu6  1  0.504  0.162  0.545  1.0
  Cu  Cu7  1  0.205  0.997  0.412  1.0
  Cu  Cu8  1  0.503  0.838  0.955  1.0
  Cu  Cu9  1  0.792  0.997  0.080  1.0
  Cu  Cu10  1  0.663  0.292  0.250  1.0
  Cu  Cu11  1  0.328  0.710  0.250  1.0
  Cu  Cu12  1  0.838  0.503  0.045  1.0
  Cu  Cu13  1  0.997  0.792  0.920  1.0
  Cu  Cu14  1  0.711  0.672  0.750  1.0
  Cu  Cu15  1  0.162  0.504  0.455  1.0
  Cu  Cu16  1  0.997  0.205  0.588  1.0
  Cu  Cu17  1  0.292  0.337  0.750  1.0
  Cu  Cu18  1  0.162  0.504  0.045  1.0
  Cu  Cu19  1  0.997  0.205  0.912  1.0
  Cu  Cu20  1  0.838  0.503  0.455  1.0
  Cu  Cu21  1  0.997  0.792  0.580  1.0
  Cu  Cu22  1  0.292  0.663  0.750  1.0
  Cu  Cu23  1  0.710  0.328  0.750  1.0
  Sb  Sb24  1  0.500  0.500  0.500  1.0
  Sb  Sb25  1  0.249  1.000  0.750  1.0
  Sb  Sb26  1  1.000  0.249  0.250  1.0
  Sb  Sb27  1  0.500  0.500  0.000  1.0
  As  As28  1  0.501  0.999  0.250  1.0
  As  As29  1  0.999  0.501  0.750  1.0
  As  As30  1  0.750  0.001  0.750  1.0
  As  As31  1  0.001  0.750  0.250  1.0
[/CIF]
.