Sc2Nb3Ge4 is delta Molybdenum Boride-derived structured and crystallizes in the orthorhombic Pnma space group. Sc(1) is bonded in a 6-coordinate geometry to two equivalent Nb(1), one Ge(3), two equivalent Ge(2), and three equivalent Ge(1) atoms. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded in a 10-coordinate geometry to four equivalent Sc(1), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Nb site, Nb(2) is bonded in a 7-coordinate geometry to one Ge(2), two equivalent Ge(3), and four equivalent Ge(1) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sc(1), two equivalent Nb(1), four equivalent Nb(2), and one Ge(2) atom. In the second Ge site, Ge(1) is bonded in a 9-coordinate geometry to three equivalent Sc(1), one Nb(1), four equivalent Nb(2), and one Ge(1) atom. In the third Ge site, Ge(2) is bonded in a 9-coordinate geometry to four equivalent Sc(1), two equivalent Nb(1), two equivalent Nb(2), and one Ge(3) atom.
Sc2Nb3Ge4 is delta Molybdenum Boride-derived structured and crystallizes in the orthorhombic Pnma space group. Sc(1) is bonded in a 6-coordinate geometry to two equivalent Nb(1), one Ge(3), two equivalent Ge(2), and three equivalent Ge(1) atoms. There is one shorter (3.01 Å) and one longer (3.13 Å) Sc(1)-Nb(1) bond length. The Sc(1)-Ge(3) bond length is 2.80 Å. There is one shorter (2.67 Å) and one longer (2.71 Å) Sc(1)-Ge(2) bond length. There are a spread of Sc(1)-Ge(1) bond distances ranging from 2.59-2.75 Å. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded in a 10-coordinate geometry to four equivalent Sc(1), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. Both Nb(1)-Ge(1) bond lengths are 2.81 Å. There is one shorter (2.60 Å) and one longer (2.94 Å) Nb(1)-Ge(2) bond length. There is one shorter (2.60 Å) and one longer (2.65 Å) Nb(1)-Ge(3) bond length. In the second Nb site, Nb(2) is bonded in a 7-coordinate geometry to one Ge(2), two equivalent Ge(3), and four equivalent Ge(1) atoms. The Nb(2)-Ge(2) bond length is 2.89 Å. There is one shorter (2.78 Å) and one longer (2.94 Å) Nb(2)-Ge(3) bond length. There are a spread of Nb(2)-Ge(1) bond distances ranging from 2.72-3.00 Å. There are three inequivalent Ge sites. In the first Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sc(1), two equivalent Nb(1), four equivalent Nb(2), and one Ge(2) atom. The Ge(3)-Ge(2) bond length is 2.57 Å. In the second Ge site, Ge(1) is bonded in a 9-coordinate geometry to three equivalent Sc(1), one Nb(1), four equivalent Nb(2), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.82 Å. In the third Ge site, Ge(2) is bonded in a 9-coordinate geometry to four equivalent Sc(1), two equivalent Nb(1), two equivalent Nb(2), and one Ge(3) atom.