ScReGe2 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 12-coordinate geometry to one Re(2), three equivalent Re(1), one Ge(4), one Ge(5), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Sc site, Sc(2) is bonded in a 7-coordinate geometry to two equivalent Re(2), four equivalent Re(1), two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(5) atoms. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 12-coordinate geometry to two equivalent Sc(2), three equivalent Sc(1), one Re(2), one Ge(2), one Ge(3), one Ge(4), one Ge(5), and two equivalent Ge(1) atoms. In the second Re site, Re(2) is bonded to two equivalent Sc(1), two equivalent Sc(2), two equivalent Re(1), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms to form a mixture of distorted face and edge-sharing ReSc4Re2Ge6 cuboctahedra. There are five inequivalent Ge sites. In the first Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Sc(1), two equivalent Re(1), and one Ge(2) atom. In the second Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sc(2), four equivalent Sc(1), two equivalent Re(1), and one Ge(3) atom. In the third Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Sc(1), two equivalent Re(1), and two equivalent Re(2) atoms. In the fourth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sc(1), three equivalent Sc(2), two equivalent Re(1), and two equivalent Re(2) atoms. In the fifth Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Sc(2), two equivalent Sc(1), one Re(2), two equivalent Re(1), and one Ge(1) atom.
ScReGe2 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 12-coordinate geometry to one Re(2), three equivalent Re(1), one Ge(4), one Ge(5), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. The Sc(1)-Re(2) bond length is 3.14 Å. There are a spread of Sc(1)-Re(1) bond distances ranging from 3.11-3.15 Å. The Sc(1)-Ge(4) bond length is 2.84 Å. The Sc(1)-Ge(5) bond length is 2.75 Å. There is one shorter (2.88 Å) and one longer (2.89 Å) Sc(1)-Ge(1) bond length. There is one shorter (2.97 Å) and one longer (3.01 Å) Sc(1)-Ge(2) bond length. There is one shorter (2.91 Å) and one longer (2.94 Å) Sc(1)-Ge(3) bond length. In the second Sc site, Sc(2) is bonded in a 7-coordinate geometry to two equivalent Re(2), four equivalent Re(1), two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(5) atoms. Both Sc(2)-Re(2) bond lengths are 3.14 Å. There are two shorter (3.19 Å) and two longer (3.27 Å) Sc(2)-Re(1) bond lengths. Both Sc(2)-Ge(1) bond lengths are 2.90 Å. There is one shorter (2.83 Å) and one longer (2.85 Å) Sc(2)-Ge(3) bond length. There are a spread of Sc(2)-Ge(5) bond distances ranging from 2.82-3.00 Å. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 12-coordinate geometry to two equivalent Sc(2), three equivalent Sc(1), one Re(2), one Ge(2), one Ge(3), one Ge(4), one Ge(5), and two equivalent Ge(1) atoms. The Re(1)-Re(2) bond length is 2.67 Å. The Re(1)-Ge(2) bond length is 2.50 Å. The Re(1)-Ge(3) bond length is 2.49 Å. The Re(1)-Ge(4) bond length is 2.73 Å. The Re(1)-Ge(5) bond length is 2.67 Å. There is one shorter (2.57 Å) and one longer (2.61 Å) Re(1)-Ge(1) bond length. In the second Re site, Re(2) is bonded to two equivalent Sc(1), two equivalent Sc(2), two equivalent Re(1), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms to form a mixture of distorted face and edge-sharing ReSc4Re2Ge6 cuboctahedra. Both Re(2)-Ge(1) bond lengths are 2.61 Å. Both Re(2)-Ge(4) bond lengths are 2.64 Å. Both Re(2)-Ge(5) bond lengths are 2.62 Å. There are five inequivalent Ge sites. In the first Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Sc(1), two equivalent Re(1), and one Ge(2) atom. The Ge(2)-Ge(2) bond length is 2.52 Å. In the second Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sc(2), four equivalent Sc(1), two equivalent Re(1), and one Ge(3) atom. The Ge(3)-Ge(3) bond length is 2.52 Å. In the third Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Sc(1), two equivalent Re(1), and two equivalent Re(2) atoms. In the fourth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sc(1), three equivalent Sc(2), two equivalent Re(1), and two equivalent Re(2) atoms. In the fifth Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Sc(2), two equivalent Sc(1), one Re(2), two equivalent Re(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.54 Å.