Th2Al is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Th(1) is bonded in a 4-coordinate geometry to four equivalent Al(1) atoms. Al(1) is bonded in a distorted q6 geometry to eight equivalent Th(1) and two equivalent Al(1) atoms.
Th2Al is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. Th(1) is bonded in a 4-coordinate geometry to four equivalent Al(1) atoms. All Th(1)-Al(1) bond lengths are 3.23 Å. Al(1) is bonded in a distorted q6 geometry to eight equivalent Th(1) and two equivalent Al(1) atoms. Both Al(1)-Al(1) bond lengths are 2.86 Å.