The compound described by Cu6SnGe crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent Cu(4), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, corners with four equivalent Ge(1)Cu12 cuboctahedra, corners with ten equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Ge(1)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, and faces with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra. In the second Cu site, Cu(2) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent Cu(4), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, corners with four equivalent Sn(1)Cu12 cuboctahedra, corners with ten equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Sn(1)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Ge(1)Cu12 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, and faces with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra. In the third Cu site, Cu(3) is bonded to four equivalent Cu(1), four equivalent Cu(2), two equivalent Sn(1), and two equivalent Ge(1) atoms to form CuCu8Sn2Ge2 cuboctahedra that share corners with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Sn(1)Cu12 cuboctahedra, edges with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Ge(1)Cu12 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to four equivalent Cu(1), four equivalent Cu(2), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Ge(1)Cu12 cuboctahedra, edges with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Sn(1)Cu12 cuboctahedra. Sn(1) is bonded to two equivalent Cu(3), two equivalent Cu(4), four equivalent Cu(1), and four equivalent Cu(2) atoms to form SnCu12 cuboctahedra that share corners with two equivalent Sn(1)Cu12 cuboctahedra, corners with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Sn(1)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Ge(1)Cu12 cuboctahedra, edges with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Ge(1)Cu12 cuboctahedra. Ge(1) is bonded to two equivalent Cu(3), two equivalent Cu(4), four equivalent Cu(1), and four equivalent Cu(2) atoms to form GeCu12 cuboctahedra that share corners with two equivalent Ge(1)Cu12 cuboctahedra, corners with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Ge(1)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Sn(1)Cu12 cuboctahedra, edges with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Sn(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu6SnGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.274
_cell_length_b   4.638
_cell_length_c   5.542
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   109.848
_cell_formula_units_Z   1
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  0.843  0.735  1.0
  Cu  Cu1  1  0.000  0.166  0.265  1.0
  Cu  Cu2  1  0.000  0.166  0.735  1.0
  Cu  Cu3  1  0.500  0.843  0.265  1.0
  Cu  Cu4  1  0.000  0.667  0.500  1.0
  Cu  Cu5  1  0.500  0.306  0.000  1.0
  Sn  Sn6  1  0.000  0.672  0.000  1.0
  Ge  Ge7  1  0.500  0.336  0.500  1.0
[/CIF]
.
The compound described by Cu6SnGe crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent Cu(4), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, corners with four equivalent Ge(1)Cu12 cuboctahedra, corners with ten equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Ge(1)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, and faces with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra. In the second Cu site, Cu(2) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent Cu(4), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, corners with four equivalent Sn(1)Cu12 cuboctahedra, corners with ten equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Sn(1)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Ge(1)Cu12 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, and faces with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra. In the third Cu site, Cu(3) is bonded to four equivalent Cu(1), four equivalent Cu(2), two equivalent Sn(1), and two equivalent Ge(1) atoms to form CuCu8Sn2Ge2 cuboctahedra that share corners with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Sn(1)Cu12 cuboctahedra, edges with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Ge(1)Cu12 cuboctahedra. In the fourth Cu site, Cu(4) is bonded to four equivalent Cu(1), four equivalent Cu(2), two equivalent Sn(1), and two equivalent Ge(1) atoms to form distorted CuCu8Sn2Ge2 cuboctahedra that share corners with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Ge(1)Cu12 cuboctahedra, edges with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Sn(1)Cu12 cuboctahedra. Sn(1) is bonded to two equivalent Cu(3), two equivalent Cu(4), four equivalent Cu(1), and four equivalent Cu(2) atoms to form SnCu12 cuboctahedra that share corners with two equivalent Sn(1)Cu12 cuboctahedra, corners with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Sn(1)Cu12 cuboctahedra, edges with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Ge(1)Cu12 cuboctahedra, edges with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Sn(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Ge(1)Cu12 cuboctahedra. Ge(1) is bonded to two equivalent Cu(3), two equivalent Cu(4), four equivalent Cu(1), and four equivalent Cu(2) atoms to form GeCu12 cuboctahedra that share corners with two equivalent Ge(1)Cu12 cuboctahedra, corners with eight equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, corners with eight equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, edges with two equivalent Ge(1)Cu12 cuboctahedra, edges with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, edges with four equivalent Sn(1)Cu12 cuboctahedra, edges with eight equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Cu(4)Cu8Sn2Ge2 cuboctahedra, faces with two equivalent Ge(1)Cu12 cuboctahedra, faces with four equivalent Cu(1)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(2)Cu8Sn2Ge2 cuboctahedra, faces with four equivalent Cu(3)Cu8Sn2Ge2 cuboctahedra, and faces with four equivalent Sn(1)Cu12 cuboctahedra. is represented by the CIF card [CIF]
data_Cu6SnGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.274
_cell_length_b   4.638
_cell_length_c   5.542
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   109.848
_cell_formula_units_Z   1
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  0.843  0.735  1.0
  Cu  Cu1  1  0.000  0.166  0.265  1.0
  Cu  Cu2  1  0.000  0.166  0.735  1.0
  Cu  Cu3  1  0.500  0.843  0.265  1.0
  Cu  Cu4  1  0.000  0.667  0.500  1.0
  Cu  Cu5  1  0.500  0.306  0.000  1.0
  Sn  Sn6  1  0.000  0.672  0.000  1.0
  Ge  Ge7  1  0.500  0.336  0.500  1.0
[/CIF]
.