UNi5Ge3 crystallizes in the orthorhombic Pnma space group. U(1) is bonded in a 17-coordinate geometry to one Ni(1), one Ni(5), three equivalent Ni(2), three equivalent Ni(3), three equivalent Ni(4), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one U(1), one Ni(5), two equivalent Ni(3), one Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Ni site, Ni(2) is bonded in a 10-coordinate geometry to three equivalent U(1), three equivalent Ni(3), one Ge(3), and three equivalent Ge(1) atoms. In the third Ni site, Ni(3) is bonded in a 12-coordinate geometry to three equivalent U(1), two equivalent Ni(1), three equivalent Ni(2), one Ge(2), and three equivalent Ge(1) atoms. In the fourth Ni site, Ni(4) is bonded in a 4-coordinate geometry to three equivalent U(1), two equivalent Ni(5), one Ge(3), and three equivalent Ge(2) atoms. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to one U(1), one Ni(1), two equivalent Ni(4), two equivalent Ni(5), one Ge(2), and three equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(1), three equivalent Ni(2), and three equivalent Ni(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(3), one Ni(5), two equivalent Ni(1), and three equivalent Ni(4) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(2), one Ni(4), two equivalent Ni(1), and three equivalent Ni(5) atoms.
UNi5Ge3 crystallizes in the orthorhombic Pnma space group. U(1) is bonded in a 17-coordinate geometry to one Ni(1), one Ni(5), three equivalent Ni(2), three equivalent Ni(3), three equivalent Ni(4), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. The U(1)-Ni(1) bond length is 3.31 Å. The U(1)-Ni(5) bond length is 3.04 Å. There are two shorter (3.03 Å) and one longer (3.08 Å) U(1)-Ni(2) bond length. There are two shorter (3.07 Å) and one longer (3.18 Å) U(1)-Ni(3) bond length. There is one shorter (3.32 Å) and two longer (3.33 Å) U(1)-Ni(4) bond lengths. Both U(1)-Ge(1) bond lengths are 3.04 Å. Both U(1)-Ge(2) bond lengths are 2.97 Å. Both U(1)-Ge(3) bond lengths are 2.96 Å. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one U(1), one Ni(5), two equivalent Ni(3), one Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. The Ni(1)-Ni(5) bond length is 2.53 Å. Both Ni(1)-Ni(3) bond lengths are 2.84 Å. The Ni(1)-Ge(1) bond length is 2.35 Å. Both Ni(1)-Ge(2) bond lengths are 2.49 Å. Both Ni(1)-Ge(3) bond lengths are 2.56 Å. In the second Ni site, Ni(2) is bonded in a 10-coordinate geometry to three equivalent U(1), three equivalent Ni(3), one Ge(3), and three equivalent Ge(1) atoms. There are two shorter (2.66 Å) and one longer (2.69 Å) Ni(2)-Ni(3) bond length. The Ni(2)-Ge(3) bond length is 2.35 Å. There is one shorter (2.33 Å) and two longer (2.38 Å) Ni(2)-Ge(1) bond lengths. In the third Ni site, Ni(3) is bonded in a 12-coordinate geometry to three equivalent U(1), two equivalent Ni(1), three equivalent Ni(2), one Ge(2), and three equivalent Ge(1) atoms. The Ni(3)-Ge(2) bond length is 2.39 Å. There is one shorter (2.39 Å) and two longer (2.45 Å) Ni(3)-Ge(1) bond lengths. In the fourth Ni site, Ni(4) is bonded in a 4-coordinate geometry to three equivalent U(1), two equivalent Ni(5), one Ge(3), and three equivalent Ge(2) atoms. Both Ni(4)-Ni(5) bond lengths are 2.58 Å. The Ni(4)-Ge(3) bond length is 2.45 Å. There is one shorter (2.33 Å) and two longer (2.47 Å) Ni(4)-Ge(2) bond lengths. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to one U(1), one Ni(1), two equivalent Ni(4), two equivalent Ni(5), one Ge(2), and three equivalent Ge(3) atoms. Both Ni(5)-Ni(5) bond lengths are 2.60 Å. The Ni(5)-Ge(2) bond length is 2.34 Å. There are two shorter (2.39 Å) and one longer (2.42 Å) Ni(5)-Ge(3) bond length. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(1), three equivalent Ni(2), and three equivalent Ni(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(3), one Ni(5), two equivalent Ni(1), and three equivalent Ni(4) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ni(2), one Ni(4), two equivalent Ni(1), and three equivalent Ni(5) atoms.