Sc3CoC4 crystallizes in the orthorhombic Immm space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded to eight equivalent C(1) atoms to form distorted face-sharing ScC8 hexagonal bipyramids. In the second Sc site, Sc(2) is bonded in a 6-coordinate geometry to six equivalent C(1) atoms. Co(1) is bonded in a square co-planar geometry to four equivalent C(1) atoms. C(1) is bonded in a 7-coordinate geometry to two equivalent Sc(1), three equivalent Sc(2), one Co(1), and one C(1) atom.
Sc3CoC4 crystallizes in the orthorhombic Immm space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded to eight equivalent C(1) atoms to form distorted face-sharing ScC8 hexagonal bipyramids. All Sc(1)-C(1) bond lengths are 2.38 Å. In the second Sc site, Sc(2) is bonded in a 6-coordinate geometry to six equivalent C(1) atoms. There are two shorter (2.36 Å) and four longer (2.37 Å) Sc(2)-C(1) bond lengths. Co(1) is bonded in a square co-planar geometry to four equivalent C(1) atoms. All Co(1)-C(1) bond lengths are 2.06 Å. C(1) is bonded in a 7-coordinate geometry to two equivalent Sc(1), three equivalent Sc(2), one Co(1), and one C(1) atom. The C(1)-C(1) bond length is 1.45 Å.