Sc5Hf5Ge6 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Sc site, Sc(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. There are three inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 5-coordinate geometry to one Ge(2), two equivalent Ge(1), and two equivalent Ge(3) atoms. In the second Hf site, Hf(2) is bonded in a 5-coordinate geometry to one Ge(2), two equivalent Ge(1), and two equivalent Ge(4) atoms. In the third Hf site, Hf(3) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Sc(2), one Hf(2), two equivalent Hf(1), and two equivalent Hf(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sc(1), four equivalent Sc(2), one Hf(2), and two equivalent Hf(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Sc(1), four equivalent Sc(2), two equivalent Hf(1), and two equivalent Hf(3) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Sc(1), four equivalent Sc(2), two equivalent Hf(2), and two equivalent Hf(3) atoms.
Sc5Hf5Ge6 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(2), and two equivalent Ge(3) atoms. The Sc(1)-Ge(4) bond length is 2.90 Å. Both Sc(1)-Ge(2) bond lengths are 3.06 Å. Both Sc(1)-Ge(3) bond lengths are 2.72 Å. In the second Sc site, Sc(2) is bonded in a 6-coordinate geometry to one Ge(2), one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. The Sc(2)-Ge(2) bond length is 2.84 Å. The Sc(2)-Ge(4) bond length is 2.83 Å. Both Sc(2)-Ge(1) bond lengths are 2.83 Å. Both Sc(2)-Ge(3) bond lengths are 2.84 Å. There are three inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 5-coordinate geometry to one Ge(2), two equivalent Ge(1), and two equivalent Ge(3) atoms. The Hf(1)-Ge(2) bond length is 2.73 Å. There is one shorter (2.72 Å) and one longer (2.90 Å) Hf(1)-Ge(1) bond length. Both Hf(1)-Ge(3) bond lengths are 3.06 Å. In the second Hf site, Hf(2) is bonded in a 5-coordinate geometry to one Ge(2), two equivalent Ge(1), and two equivalent Ge(4) atoms. The Hf(2)-Ge(2) bond length is 2.92 Å. Both Hf(2)-Ge(1) bond lengths are 2.72 Å. Both Hf(2)-Ge(4) bond lengths are 3.06 Å. In the third Hf site, Hf(3) is bonded in a 5-coordinate geometry to one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. The Hf(3)-Ge(4) bond length is 2.72 Å. Both Hf(3)-Ge(1) bond lengths are 3.06 Å. There is one shorter (2.74 Å) and one longer (2.89 Å) Hf(3)-Ge(3) bond length. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Sc(2), one Hf(2), two equivalent Hf(1), and two equivalent Hf(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sc(1), four equivalent Sc(2), one Hf(2), and two equivalent Hf(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Sc(1), four equivalent Sc(2), two equivalent Hf(1), and two equivalent Hf(3) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Sc(1), four equivalent Sc(2), two equivalent Hf(2), and two equivalent Hf(3) atoms.