ScCd7 crystallizes in the orthorhombic Cmcm space group. Sc(1) is bonded to two equivalent Cd(4), four equivalent Cd(1), four equivalent Cd(2), and four equivalent Cd(3) atoms to form a mixture of distorted corner and face-sharing ScCd14 cuboctahedra. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(1), two equivalent Cd(3), two equivalent Cd(4), and four equivalent Cd(2) atoms. In the second Cd site, Cd(2) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(4), four equivalent Cd(1), and four equivalent Cd(3) atoms. In the third Cd site, Cd(3) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(3), two equivalent Cd(1), two equivalent Cd(4), and four equivalent Cd(2) atoms. In the fourth Cd site, Cd(4) is bonded in a 12-coordinate geometry to two equivalent Sc(1), two equivalent Cd(2), four equivalent Cd(1), and four equivalent Cd(3) atoms.
ScCd7 crystallizes in the orthorhombic Cmcm space group. Sc(1) is bonded to two equivalent Cd(4), four equivalent Cd(1), four equivalent Cd(2), and four equivalent Cd(3) atoms to form a mixture of distorted corner and face-sharing ScCd14 cuboctahedra. Both Sc(1)-Cd(4) bond lengths are 3.72 Å. There are two shorter (3.12 Å) and two longer (3.19 Å) Sc(1)-Cd(1) bond lengths. There are two shorter (3.13 Å) and two longer (3.18 Å) Sc(1)-Cd(2) bond lengths. All Sc(1)-Cd(3) bond lengths are 3.16 Å. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(1), two equivalent Cd(3), two equivalent Cd(4), and four equivalent Cd(2) atoms. The Cd(1)-Cd(1) bond length is 2.96 Å. Both Cd(1)-Cd(3) bond lengths are 3.08 Å. There is one shorter (3.07 Å) and one longer (3.25 Å) Cd(1)-Cd(4) bond length. There are two shorter (3.05 Å) and two longer (3.08 Å) Cd(1)-Cd(2) bond lengths. In the second Cd site, Cd(2) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(4), four equivalent Cd(1), and four equivalent Cd(3) atoms. The Cd(2)-Cd(4) bond length is 2.99 Å. There are two shorter (3.00 Å) and two longer (3.32 Å) Cd(2)-Cd(3) bond lengths. In the third Cd site, Cd(3) is bonded in a 11-coordinate geometry to two equivalent Sc(1), one Cd(3), two equivalent Cd(1), two equivalent Cd(4), and four equivalent Cd(2) atoms. The Cd(3)-Cd(3) bond length is 3.07 Å. Both Cd(3)-Cd(4) bond lengths are 2.93 Å. In the fourth Cd site, Cd(4) is bonded in a 12-coordinate geometry to two equivalent Sc(1), two equivalent Cd(2), four equivalent Cd(1), and four equivalent Cd(3) atoms.