AlH3 crystallizes in the trigonal R-3c space group. Al(1) is bonded to six equivalent H(1) atoms to form corner-sharing AlH6 octahedra. The corner-sharing octahedral tilt angles are 40°. H(1) is bonded in a bent 150 degrees geometry to two equivalent Al(1) atoms.
AlH3 crystallizes in the trigonal R-3c space group. Al(1) is bonded to six equivalent H(1) atoms to form corner-sharing AlH6 octahedra. The corner-sharing octahedral tilt angles are 40°. All Al(1)-H(1) bond lengths are 1.71 Å. H(1) is bonded in a bent 150 degrees geometry to two equivalent Al(1) atoms.