The structure described by Ni9ZnGe2 is beta Cu3Ti-derived structured and crystallizes in the tetragonal I4/mmm space group. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(1), two equivalent Zn(1), and two equivalent Ge(1) atoms to form distorted NiZn2Ni8Ge2 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra, corners with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, edges with four equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra, edges with four equivalent Zn(1)Ni12 cuboctahedra, edges with four equivalent Ge(1)Ni12 cuboctahedra,  a faceface with one Ni(2)Ni8Ge4 cuboctahedra, faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with two equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with two equivalent Zn(1)Ni12 cuboctahedra, faces with two equivalent Ge(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Ge(1) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra; corners with eight Ni(1,1)Zn2Ni8Ge2 cuboctahedra; edges with eight equivalent Ni(4)Ni8Ge4 cuboctahedra; edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra; edges with eight equivalent Ge(1)Ni12 cuboctahedra; faces with two Ni(1,1)Zn2Ni8Ge2 cuboctahedra; faces with four equivalent Ni(4)Ni8Ge4 cuboctahedra; faces with four equivalent Ge(1)Ni12 cuboctahedra; and faces with eight equivalent Ni(2)Ni8Ge4 cuboctahedra. In the third Ni site, Ni(1) is bonded to two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(1), two equivalent Zn(1), and two equivalent Ge(1) atoms to form distorted NiZn2Ni8Ge2 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra; corners with eight Ni(1,1)Zn2Ni8Ge2 cuboctahedra; edges with four equivalent Ni(2)Ni8Ge4 cuboctahedra; edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra; edges with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra; edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra; edges with four equivalent Zn(1)Ni12 cuboctahedra; edges with four equivalent Ge(1)Ni12 cuboctahedra;  a faceface with one Ni(2)Ni8Ge4 cuboctahedra; faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra; faces with two equivalent Ni(3)Zn4Ni8 cuboctahedra; faces with two equivalent Zn(1)Ni12 cuboctahedra; faces with two equivalent Ge(1)Ni12 cuboctahedra; and faces with nine Ni(1,1)Zn2Ni8Ge2 cuboctahedra. In the fourth Ni site, Ni(3) is bonded to eight equivalent Ni(1) and four equivalent Zn(1) atoms to form NiZn4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Zn4Ni8 cuboctahedra, corners with eight equivalent Ge(1)Ni12 cuboctahedra, edges with eight equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with sixteen equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with two equivalent Ge(1)Ni12 cuboctahedra, faces with four equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Zn(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. In the fifth Ni site, Ni(4) is bonded to four equivalent Ni(1), four equivalent Ni(2), and four equivalent Ge(1) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(4)Ni8Ge4 cuboctahedra, corners with four equivalent Zn(1)Ni12 cuboctahedra, corners with four equivalent Ge(1)Ni12 cuboctahedra, edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra, edges with eight equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra,  a faceface with one Zn(1)Ni12 cuboctahedra, faces with four equivalent Ni(2)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, and faces with five equivalent Ge(1)Ni12 cuboctahedra. Zn(1) is bonded to four equivalent Ni(3) and eight equivalent Ni(1) atoms to form ZnNi12 cuboctahedra that share corners with four equivalent Zn(1)Ni12 cuboctahedra, corners with eight equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with eight equivalent Ge(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Zn(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. Ge(1) is bonded to four equivalent Ni(1), four equivalent Ni(2), and four equivalent Ni(4) atoms to form GeNi12 cuboctahedra that share corners with four equivalent Ni(4)Ni8Ge4 cuboctahedra, corners with four equivalent Ni(3)Zn4Ni8 cuboctahedra, corners with four equivalent Ge(1)Ni12 cuboctahedra, edges with four equivalent Zn(1)Ni12 cuboctahedra, edges with four equivalent Ge(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra,  a faceface with one Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Ni(2)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with four equivalent Ge(1)Ni12 cuboctahedra, and faces with five equivalent Ni(4)Ni8Ge4 cuboctahedra. is represented by the CIF file [CIF]
data_ZnNi9Ge2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.544
_cell_length_b   10.544
_cell_length_c   10.544
_cell_angle_alpha   160.075
_cell_angle_beta   160.075
_cell_angle_gamma   28.324
_symmetry_Int_Tables_number   1
_cell_volume   136.071
_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
  Zn  Zn0  1  0.500  0.500  0.000  1.0
  Ni  Ni1  1  0.584  0.084  0.500  1.0
  Ni  Ni2  1  0.250  0.750  0.500  1.0
  Ni  Ni3  1  0.916  0.416  0.500  1.0
  Ni  Ni4  1  0.084  0.584  0.500  1.0
  Ni  Ni5  1  0.750  0.250  0.500  1.0
  Ni  Ni6  1  0.416  0.916  0.500  1.0
  Ni  Ni7  1  0.000  0.000  0.000  1.0
  Ni  Ni8  1  0.666  0.666  0.000  1.0
  Ni  Ni9  1  0.334  0.334  0.000  1.0
  Ge  Ge10  1  0.167  0.167  0.000  1.0
  Ge  Ge11  1  0.833  0.833  0.000  1.0
[/CIF]
.
The structure described by Ni9ZnGe2 is beta Cu3Ti-derived structured and crystallizes in the tetragonal I4/mmm space group. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(1), two equivalent Zn(1), and two equivalent Ge(1) atoms to form distorted NiZn2Ni8Ge2 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra, corners with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, edges with four equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra, edges with four equivalent Zn(1)Ni12 cuboctahedra, edges with four equivalent Ge(1)Ni12 cuboctahedra,  a faceface with one Ni(2)Ni8Ge4 cuboctahedra, faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with two equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with two equivalent Zn(1)Ni12 cuboctahedra, faces with two equivalent Ge(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Ge(1) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra; corners with eight Ni(1,1)Zn2Ni8Ge2 cuboctahedra; edges with eight equivalent Ni(4)Ni8Ge4 cuboctahedra; edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra; edges with eight equivalent Ge(1)Ni12 cuboctahedra; faces with two Ni(1,1)Zn2Ni8Ge2 cuboctahedra; faces with four equivalent Ni(4)Ni8Ge4 cuboctahedra; faces with four equivalent Ge(1)Ni12 cuboctahedra; and faces with eight equivalent Ni(2)Ni8Ge4 cuboctahedra. In the third Ni site, Ni(1) is bonded to two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(1), two equivalent Zn(1), and two equivalent Ge(1) atoms to form distorted NiZn2Ni8Ge2 cuboctahedra that share corners with four equivalent Ni(2)Ni8Ge4 cuboctahedra; corners with eight Ni(1,1)Zn2Ni8Ge2 cuboctahedra; edges with four equivalent Ni(2)Ni8Ge4 cuboctahedra; edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra; edges with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra; edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra; edges with four equivalent Zn(1)Ni12 cuboctahedra; edges with four equivalent Ge(1)Ni12 cuboctahedra;  a faceface with one Ni(2)Ni8Ge4 cuboctahedra; faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra; faces with two equivalent Ni(3)Zn4Ni8 cuboctahedra; faces with two equivalent Zn(1)Ni12 cuboctahedra; faces with two equivalent Ge(1)Ni12 cuboctahedra; and faces with nine Ni(1,1)Zn2Ni8Ge2 cuboctahedra. In the fourth Ni site, Ni(3) is bonded to eight equivalent Ni(1) and four equivalent Zn(1) atoms to form NiZn4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Zn4Ni8 cuboctahedra, corners with eight equivalent Ge(1)Ni12 cuboctahedra, edges with eight equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with sixteen equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with two equivalent Ge(1)Ni12 cuboctahedra, faces with four equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Zn(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. In the fifth Ni site, Ni(4) is bonded to four equivalent Ni(1), four equivalent Ni(2), and four equivalent Ge(1) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(4)Ni8Ge4 cuboctahedra, corners with four equivalent Zn(1)Ni12 cuboctahedra, corners with four equivalent Ge(1)Ni12 cuboctahedra, edges with four equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with four equivalent Ni(3)Zn4Ni8 cuboctahedra, edges with eight equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra,  a faceface with one Zn(1)Ni12 cuboctahedra, faces with four equivalent Ni(2)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, and faces with five equivalent Ge(1)Ni12 cuboctahedra. Zn(1) is bonded to four equivalent Ni(3) and eight equivalent Ni(1) atoms to form ZnNi12 cuboctahedra that share corners with four equivalent Zn(1)Ni12 cuboctahedra, corners with eight equivalent Ni(4)Ni8Ge4 cuboctahedra, edges with eight equivalent Ge(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with two equivalent Ni(4)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Zn(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra. Ge(1) is bonded to four equivalent Ni(1), four equivalent Ni(2), and four equivalent Ni(4) atoms to form GeNi12 cuboctahedra that share corners with four equivalent Ni(4)Ni8Ge4 cuboctahedra, corners with four equivalent Ni(3)Zn4Ni8 cuboctahedra, corners with four equivalent Ge(1)Ni12 cuboctahedra, edges with four equivalent Zn(1)Ni12 cuboctahedra, edges with four equivalent Ge(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Ge4 cuboctahedra, edges with eight equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra,  a faceface with one Ni(3)Zn4Ni8 cuboctahedra, faces with four equivalent Ni(2)Ni8Ge4 cuboctahedra, faces with four equivalent Ni(1)Zn2Ni8Ge2 cuboctahedra, faces with four equivalent Ge(1)Ni12 cuboctahedra, and faces with five equivalent Ni(4)Ni8Ge4 cuboctahedra. is represented by the CIF file [CIF]
data_ZnNi9Ge2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.544
_cell_length_b   10.544
_cell_length_c   10.544
_cell_angle_alpha   160.075
_cell_angle_beta   160.075
_cell_angle_gamma   28.324
_symmetry_Int_Tables_number   1
_cell_volume   136.071
_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
  Zn  Zn0  1  0.500  0.500  0.000  1.0
  Ni  Ni1  1  0.584  0.084  0.500  1.0
  Ni  Ni2  1  0.250  0.750  0.500  1.0
  Ni  Ni3  1  0.916  0.416  0.500  1.0
  Ni  Ni4  1  0.084  0.584  0.500  1.0
  Ni  Ni5  1  0.750  0.250  0.500  1.0
  Ni  Ni6  1  0.416  0.916  0.500  1.0
  Ni  Ni7  1  0.000  0.000  0.000  1.0
  Ni  Ni8  1  0.666  0.666  0.000  1.0
  Ni  Ni9  1  0.334  0.334  0.000  1.0
  Ge  Ge10  1  0.167  0.167  0.000  1.0
  Ge  Ge11  1  0.833  0.833  0.000  1.0
[/CIF]
.