Hf4AlSi is Khatyrkite-derived structured and crystallizes in the tetragonal I422 space group. Hf(1) is bonded in a 4-coordinate geometry to two equivalent Al(1) and two equivalent Si(1) atoms. Al(1) is bonded in a distorted q6 geometry to eight equivalent Hf(1) and two equivalent Si(1) atoms. Si(1) is bonded in a distorted q6 geometry to eight equivalent Hf(1) and two equivalent Al(1) atoms.
Hf4AlSi is Khatyrkite-derived structured and crystallizes in the tetragonal I422 space group. Hf(1) is bonded in a 4-coordinate geometry to two equivalent Al(1) and two equivalent Si(1) atoms. Both Hf(1)-Al(1) bond lengths are 2.84 Å. Both Hf(1)-Si(1) bond lengths are 2.84 Å. Al(1) is bonded in a distorted q6 geometry to eight equivalent Hf(1) and two equivalent Si(1) atoms. Both Al(1)-Si(1) bond lengths are 2.61 Å. Si(1) is bonded in a distorted q6 geometry to eight equivalent Hf(1) and two equivalent Al(1) atoms.