Materials Data on Li4Be3P3IO12 by Materials Project
Li4Be3P3O12I crystallizes in the cubic P-43n space group. The structure is three-dimensional. Li1+ is bonded to three equivalent O2- and one I1- atom to form distorted LiIO3 tetrahedra that share corners with three equivalent LiIO3 tetrahedra, corners with three equivalent BeO4 tetrahedra, and corners with three equivalent PO4 tetrahedra. All Li–O bond lengths are 2.00 Å. The Li–I bond length is 2.78 Å. Be2+ is bonded to four equivalent O2- atoms to form BeO4 tetrahedra that share corners with four equivalent LiIO3 tetrahedra and corners with four equivalent PO4 tetrahedra. All Be–O bond lengths are 1.64 Å. P5+ is bonded to four equivalent O2- atoms to form PO4 tetrahedra that share corners with four equivalent LiIO3 tetrahedra and corners with four equivalent BeO4 tetrahedra. All P–O bond lengths are 1.55 Å. O2- is bonded in a trigonal planar geometry to one Li1+, one Be2+, and one P5+ atom. I1- is bonded in a tetrahedral geometry to four equivalent Li1+ atoms.