ScIrSi crystallizes in the orthorhombic Pnma space group. Sc(1) is bonded in a 11-coordinate geometry to six equivalent Ir(1) and five equivalent Si(1) atoms. Ir(1) is bonded in a 10-coordinate geometry to six equivalent Sc(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to five equivalent Sc(1) and four equivalent Ir(1) atoms.
ScIrSi crystallizes in the orthorhombic Pnma space group. Sc(1) is bonded in a 11-coordinate geometry to six equivalent Ir(1) and five equivalent Si(1) atoms. There are a spread of Sc(1)-Ir(1) bond distances ranging from 2.89-3.09 Å. There are a spread of Sc(1)-Si(1) bond distances ranging from 2.79-2.88 Å. Ir(1) is bonded in a 10-coordinate geometry to six equivalent Sc(1) and four equivalent Si(1) atoms. There are three shorter (2.44 Å) and one longer (2.47 Å) Ir(1)-Si(1) bond length. Si(1) is bonded in a 9-coordinate geometry to five equivalent Sc(1) and four equivalent Ir(1) atoms.