LaScSi crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 9-coordinate geometry to five equivalent Sc(1) and four equivalent Si(1) atoms. Sc(1) is bonded in a 4-coordinate geometry to five equivalent La(1) and four equivalent Si(1) atoms. Si(1) is bonded in a body-centered cubic geometry to four equivalent La(1) and four equivalent Sc(1) atoms.
LaScSi crystallizes in the tetragonal I4/mmm space group. La(1) is bonded in a 9-coordinate geometry to five equivalent Sc(1) and four equivalent Si(1) atoms. There are four shorter (3.40 Å) and one longer (3.67 Å) La(1)-Sc(1) bond length. All La(1)-Si(1) bond lengths are 3.14 Å. Sc(1) is bonded in a 4-coordinate geometry to five equivalent La(1) and four equivalent Si(1) atoms. All Sc(1)-Si(1) bond lengths are 2.79 Å. Si(1) is bonded in a body-centered cubic geometry to four equivalent La(1) and four equivalent Sc(1) atoms.