AlF3 crystallizes in the triclinic P-1 space group. Al(1) is bonded to one F(1), one F(2), two equivalent F(3), and two equivalent F(4) atoms to form a mixture of corner and edge-sharing AlF6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are four inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to two equivalent Al(1) atoms. In the second F site, F(2) is bonded in a linear geometry to two equivalent Al(1) atoms. In the third F site, F(3) is bonded in a linear geometry to two equivalent Al(1) atoms. In the fourth F site, F(4) is bonded in a water-like geometry to two equivalent Al(1) atoms.
AlF3 crystallizes in the triclinic P-1 space group. Al(1) is bonded to one F(1), one F(2), two equivalent F(3), and two equivalent F(4) atoms to form a mixture of corner and edge-sharing AlF6 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Al(1)-F(1) bond length is 1.81 Å. The Al(1)-F(2) bond length is 1.80 Å. Both Al(1)-F(3) bond lengths are 1.81 Å. There is one shorter (1.83 Å) and one longer (1.86 Å) Al(1)-F(4) bond length. There are four inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to two equivalent Al(1) atoms. In the second F site, F(2) is bonded in a linear geometry to two equivalent Al(1) atoms. In the third F site, F(3) is bonded in a linear geometry to two equivalent Al(1) atoms. In the fourth F site, F(4) is bonded in a water-like geometry to two equivalent Al(1) atoms.