Ni5Ga3Ge2 crystallizes in the orthorhombic Cmcm space group. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 11-coordinate geometry to one Ni(1), one Ni(3), two equivalent Ni(2), one Ga(2), three equivalent Ga(1), one Ge(2), and two equivalent Ge(1) atoms. In the second Ni site, Ni(2) is bonded in a 11-coordinate geometry to one Ni(2), one Ni(3), two equivalent Ni(1), two equivalent Ga(1), two equivalent Ga(2), one Ge(1), and two equivalent Ge(2) atoms. In the third Ni site, Ni(3) is bonded in a 10-coordinate geometry to two equivalent Ni(1), two equivalent Ni(2), two equivalent Ga(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 6-coordinate geometry to one Ni(3), two equivalent Ni(2), three equivalent Ni(1), and two equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to two equivalent Ni(1), four equivalent Ni(2), four equivalent Ga(1), and two equivalent Ge(2) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), and four equivalent Ni(1) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), four equivalent Ni(2), and two equivalent Ga(2) atoms.
Ni5Ga3Ge2 crystallizes in the orthorhombic Cmcm space group. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 11-coordinate geometry to one Ni(1), one Ni(3), two equivalent Ni(2), one Ga(2), three equivalent Ga(1), one Ge(2), and two equivalent Ge(1) atoms. The Ni(1)-Ni(1) bond length is 2.63 Å. The Ni(1)-Ni(3) bond length is 2.55 Å. Both Ni(1)-Ni(2) bond lengths are 2.58 Å. The Ni(1)-Ga(2) bond length is 2.43 Å. There is one shorter (2.41 Å) and two longer (2.61 Å) Ni(1)-Ga(1) bond lengths. The Ni(1)-Ge(2) bond length is 2.73 Å. Both Ni(1)-Ge(1) bond lengths are 2.44 Å. In the second Ni site, Ni(2) is bonded in a 11-coordinate geometry to one Ni(2), one Ni(3), two equivalent Ni(1), two equivalent Ga(1), two equivalent Ga(2), one Ge(1), and two equivalent Ge(2) atoms. The Ni(2)-Ni(2) bond length is 2.64 Å. The Ni(2)-Ni(3) bond length is 2.56 Å. There is one shorter (2.50 Å) and one longer (2.60 Å) Ni(2)-Ga(1) bond length. Both Ni(2)-Ga(2) bond lengths are 2.46 Å. The Ni(2)-Ge(1) bond length is 2.66 Å. Both Ni(2)-Ge(2) bond lengths are 2.46 Å. In the third Ni site, Ni(3) is bonded in a 10-coordinate geometry to two equivalent Ni(1), two equivalent Ni(2), two equivalent Ga(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. Both Ni(3)-Ga(1) bond lengths are 2.53 Å. Both Ni(3)-Ge(1) bond lengths are 2.50 Å. Both Ni(3)-Ge(2) bond lengths are 2.46 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 6-coordinate geometry to one Ni(3), two equivalent Ni(2), three equivalent Ni(1), and two equivalent Ga(2) atoms. Both Ga(1)-Ga(2) bond lengths are 2.84 Å. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to two equivalent Ni(1), four equivalent Ni(2), four equivalent Ga(1), and two equivalent Ge(2) atoms. Both Ga(2)-Ge(2) bond lengths are 2.83 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), and four equivalent Ni(1) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), four equivalent Ni(2), and two equivalent Ga(2) atoms.