Materials Data on Li(YSi)2 by Materials Project
Li(YSi)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Li is bonded in a distorted square co-planar geometry to four equivalent Si atoms. All Li–Si bond lengths are 2.86 Å. Y is bonded in a 6-coordinate geometry to six equivalent Si atoms. There are two shorter (2.93 Å) and four longer (3.02 Å) Y–Si bond lengths. Si is bonded in a 9-coordinate geometry to two equivalent Li, six equivalent Y, and one Si atom. The Si–Si bond length is 2.39 Å.